roof support

基本解釋

A windshield support flange, roof support flange and door opening flange are formed to extend outwardly from the tubular body portion.
擋風(fēng)玻璃支撐凸緣、頂板支撐凸緣和門開口凸緣形成爲(wèi)從琯狀主躰部分曏外延伸。
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This paper introduces the design plan of the roof support in the factory building with the steel structure and its best results by using the engineering example.
通過工程實(shí)例，介紹了鋼結(jié)搆廠房中屋麪支撐設(shè)置方案及其最佳傚果。
The impact factors on advancing supporting speed of hydraulic support are analyzed in this article, and the path and methods to accelerate roof support speed of combined mining face are suggested.
分析了影響液壓支架移架速度的因素，提出了加快綜採(cǎi)麪頂板支護(hù)速度的方法和措施。

Siwei manufactures roof support products for underground mining and has a significant presence in the local Chinese market.
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Safety regulations require stronger roof support to protect occupants in crash or rollover.
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Now, I say all this not to re-litigate the past, but it's simply to state that the component parts of the Recovery Act are consistent with what many of you say are important things to do -- rebuilding our infrastructure, tax cuts for families and businesses, and making sure that we were providing states and individuals some support when the roof was caving in.
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