{"id":51451,"date":"2021-06-18T11:57:42","date_gmt":"2021-06-18T03:57:42","guid":{"rendered":"https:\/\/unicrown-tw.com\/%e7%9c%9f%e7%a9%ba%e5%b9%ab%e6%b5%a6-%e8%83%8c%e5%a3%93%e5%95%9f%e5%8b%95%e4%b8%8d%e8%89%af%e9%9c%80%e6%90%ad%e8%bc%89%e7%9a%84%e9%85%8d%e4%bb%b6\/"},"modified":"2021-07-06T14:40:02","modified_gmt":"2021-07-06T06:40:02","slug":"the-vacuum-pumps-back-pressure-does-not-start-smoothly","status":"publish","type":"post","link":"https:\/\/unicrown-tw.com\/en\/the-vacuum-pumps-back-pressure-does-not-start-smoothly\/","title":{"rendered":"The vacuum pump\u2019s back-pressure could not be started smoothly."},"content":{"rendered":"<div class=\"ast-oembed-container \" style=\"height: 100%;\"><iframe title=\"\u771f\u7a7a\u5e6b\u6d66 \u80cc\u58d3\u555f\u52d5\u4e0d\u826f\u9700\u642d\u8f09\u7684\u914d\u4ef6 The Vacuum Pump&#039;s Back Pressure Does Not Start | SmoothlyUNi-CRWON \u90c1\u51a0\u5de5\u696d\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/5AinDEEZyt4?start=9&#038;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>Today I want to introduce you a simple physical phenomenon<br \/>\nCalled \u201cback pressure\u201d<br \/>\nWhy cause this problem?<br \/>\nBecause the negative pressure is still in the pump head<br \/>\nWhen I turn it off and then turn it on again<br \/>\nThen the negative pressure will be stuck the pump head<br \/>\nand Caused the pump could not be startup<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Today I want to introduce you a simple physical phenomenon Called \u201cback pressure\u201d Why cause this problem? Because the negative pressure is still in the pump head When I turn it off and then turn it on again Then the negative pressure will be stuck the pump head and Caused the pump could not be [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":51449,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[170,167],"tags":[],"class_list":["post-51451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-educational","category-videos"],"acf":[],"_links":{"self":[{"href":"https:\/\/unicrown-tw.com\/en\/wp-json\/wp\/v2\/posts\/51451","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unicrown-tw.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unicrown-tw.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unicrown-tw.com\/en\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/unicrown-tw.com\/en\/wp-json\/wp\/v2\/comments?post=51451"}],"version-history":[{"count":0,"href":"https:\/\/unicrown-tw.com\/en\/wp-json\/wp\/v2\/posts\/51451\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unicrown-tw.com\/en\/wp-json\/wp\/v2\/media\/51449"}],"wp:attachment":[{"href":"https:\/\/unicrown-tw.com\/en\/wp-json\/wp\/v2\/media?parent=51451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unicrown-tw.com\/en\/wp-json\/wp\/v2\/categories?post=51451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unicrown-tw.com\/en\/wp-json\/wp\/v2\/tags?post=51451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}