Secondly , it is introduced that a new applied standard metal mold tension test specimen is designed.

介绍了一种新的实用标准金属型抗拉试样.

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Furthermore, increased velocity at the valve's throttling point can quickly erode standard metal valve bodies.

此外, 在阀门的节流点处流速增加,因此加剧了标准金属阀体的侵蚀和磨损.

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