Summarizing the problems and hidden troubles of Harbin old gas-pipeline net, expounding the necessary of gas-pipeline net alteration, and advising.
概述了哈尔滨市煤气老管网现状及老管网供气存在的问题与隐患，并从技术角度阐述了管网改造的必要性及建议。
The paper emphatically introduces the installation method of the anode & plastic pipeline with many holes or plastic net pipe, simulation test, test condition & result.
文章着重介绍了塑料套管或塑料网阳极安装方式及其模拟试验、现场试验的条件和结果。
Funds were net sellers of soybeans with Argentina forecast favorable for crops and talk US cash pipeline was adequate for now.
由于阿根廷天气预报对产量有利，以及传言说美国现金流动良好，基金是大豆的净卖出方。
Spin-off competition is to spin off the previous operations of water group to form the operating pattern, under which water factories separated from pipeline-net factories compete with each other.
分拆竞争就是将原有的自来水集团业务分离，形成水厂与管网分离、水厂竞争的运行模式。
Double-layer heat insulation inner inner liner without tortoiseshell net, inner liner of high temperature hot air pipeline, inner liner of heating furnace and so on in catalyst creaking apparatus.
催化裂化装置中两器有龟甲网双层衬里或无龟甲网双层衬里隔热内衬。
Double-layer heat insulation inner inner liner without tortoiseshell net, inner liner of high temperature hot air pipeline, inner liner of heating furnace and so on in catalyst creaking apparatus.
催化裂化装置中两器有龟甲网双层衬里或无龟甲网双层衬里隔热内衬。
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