And microscopic analysis indicates that some microsize mineral particles embedded friction surface, which make friction surface strengthened and recoverable.
同时,微分析表明,微小的圣矿物粒子大量嵌入擦表面,擦表面起到强化和修复的作用。
And microscopic analysis indicates that some microsize mineral particles embedded friction surface, which make friction surface strengthened and recoverable.
同时,微分析表明,微小的圣矿物粒子大量嵌入擦表面,擦表面起到强化和修复的作用。
A recorder for recording temperature in a small biocabin on board the recoverable satellite and the speed of a centrifuge incorporated in the cabin was developed.
为长时间地动态测量、记录小型生物舱内的温度和离心机的转速,设计了一种采用单片机控制的环境参数记录器。
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