A cut-off plane valve applicable for the hydraulic shield in the coal mine is introduced, which has the feature of high pressure, large flux and small handling moment.
介绍了一种适应于煤矿井下液压支架使用的高压、大流量、操作力矩小的先导式平面截止阀，并详细介绍了其工作原理、结构和使用性能特点。
I just got off plane (show air ticket); can you tell me where I can get my luggage?
我从某某航班下机(出示机票)，请问去哪里取行李？
Then off-plane displacement field on defects under load of concentrated force was successfully measured by method of electrical speckle pattern of interferometry (ESPI).
同时运用电子散斑干涉方法成功地测量出试件缺陷覆盖层在受到集中力情况下的离面位移。
Off-plane displacement field on defects can be accurately measured by ESPI. It is fully proved by comparison between experimental results and theoretical results.
理论和实验结果对比表明，利用电子散斑干涉术技术能够精确地测量含缺陷材料表面的离面位移。
According to the traditional conception, the shadow moire fringes only give an indication of the large off-plane displacement w.
基于传统的概念，影栅云纹法只能实时获得表征物体大离面位移(深度)的条纹。
According to the traditional conception, the shadow moire fringes only give an indication of the large off-plane displacement w.
基于传统的概念，影栅云纹法只能实时获得表征物体大离面位移(深度)的条纹。
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