gas-pipeline net 煤气管网
steam pipeline net 蒸汽管网
pipeline net layout 管网布置
heating pipeline net 供热管网中
pipeline net purification 管网净化
gas pipeline net works 天然气管网
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。
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