{"version":"1.0","provider_name":"Nh\u00e0 s\u1ea3n xu\u1ea5t M\u00c1Y PH\u00c2N PH\u1ed0I nhi\u00ean li\u1ec7u, CU\u1ed8N V\u00d2I v\u00e0 B\u01a0M d\u00f9ng cho B\u1ea3o tr\u00ec C\u00f4ng nghi\u1ec7p v\u00e0 N\u00f4ng nghi\u1ec7p.","provider_url":"https:\/\/aochenggroup.com\/vi","author_name":"admin","author_url":"https:\/\/aochenggroup.com\/vi\/author\/admin\/","title":"How Oval Gear Flow Meters Work: Accuracy & Applications","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"mrHwnjlS28\"><a href=\"https:\/\/aochenggroup.com\/vi\/news\/oval-gear-flow-meter-working-principle\/\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng b\u00e1nh r\u0103ng h\u00ecnh b\u1ea7u d\u1ee5c v\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang l\u1ea1i ch\u00ednh x\u00e1c \u0111\u1ebfn v\u1eady.<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/aochenggroup.com\/vi\/news\/oval-gear-flow-meter-working-principle\/embed\/#?secret=mrHwnjlS28\" width=\"600\" height=\"338\" title=\"\u201cC\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng b\u00e1nh r\u0103ng h\u00ecnh b\u1ea7u d\u1ee5c v\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang l\u1ea1i ch\u00ednh x\u00e1c \u0111\u1ebfn v\u1eady\u201d \u2014 Nh\u00e0 s\u1ea3n xu\u1ea5t c\u00e1c thi\u1ebft b\u1ecb ph\u00e2n ph\u1ed1i nhi\u00ean li\u1ec7u, cu\u1ed9n \u1ed1ng v\u00e0 m\u00e1y b\u01a1m cho b\u1ea3o tr\u00ec c\u00f4ng nghi\u1ec7p v\u00e0 n\u00f4ng nghi\u1ec7p.\" data-secret=\"mrHwnjlS28\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/aochenggroup.com\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/aochenggroup.com\/wp-content\/uploads\/2025\/12\/image-1766631505860-387.webp","thumbnail_width":1440,"thumbnail_height":810,"description":"Why choose an oval gear flow meter? Understand the positive displacement principle for accurate fuel and oil measurement. Reduce variance with Aocheng."}