roof support

基本解释

A windshield support flange, roof support flange and door opening flange are formed to extend outwardly from the tubular body portion.
挡风玻璃支撑凸缘、顶板支撑凸缘和门开口凸缘形成为从管状主体部分向外延伸。
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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.
通过工程实例，介绍了钢结构厂房中屋面支撑设置方案及其最佳效果。
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.
分析了影响液压支架移架速度的因素，提出了加快综采面顶板支护速度的方法和措施。

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.
FORBES: Magazine Article
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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