n. 1.(防止车轮滑动的)制轮木。 2.【矿物】煤面防护柱。 短语和例子 bottom sprag 底部支撑。 face sprag 工作面斜支柱。
a wooden prop used to support the roof of a mine 同义词：pitprop,
a chock or bar wedged under a wheel or between the spokes to prevent a vehicle from rolling down an incline
例句与用法
1.
One way sprag overrunning clutches 单向楔块超越离合器
2.
This paper also introduces sprag overrunning clutch to be applied in transmission system of rotor aero - craft 还对斜撑超越离合器在直升机传动系统上的应用作了介绍。
3.
Designed sprag overrunning clutch is key component between output of gas jump - start engine and input of jet engine 所设计的斜撑超越离合器作为燃气起动机输出与飞机大发起动输入的关键部件。
4.
It introduces research background of the paper , research states of in home and abroad , major research content , classifying and operating principle of sprag overrunning clutch . a method is discussed for sprag overrunning clutches design , including configuration design , force analysis and fea . a computer program is developed and applied to the h - tech project 本文首先简要介绍了论文研究的背景、国内外的研究现状、主要研究内容、超越离合器的分类和斜撑超越离合器的工作原理；然后，详细阐述了运用现代先进技术开发高速斜撑超越离合器的结构设计方法、受力计算方法和有限元分析方法。
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