crown是什么意思

网络释义

用法例句

This paper introduces the structure and working principle of how to machine the crown set of rubber-covered roll in paper making using CQ61100 lathe.

介绍了在 CQ6 110 0车床上车制造纸胶辊中高装置的结构和工作原理 ,利用偏心凸轮和杠杆机构车出的胶辊中高 ,近似于胶辊的挠度曲线 ,能满足实际生产需要 ,其原理也适用于其它车床。

Experimental study on desulphurizing coal water slurry prepared with middle and high sulfur coals;

中高硫煤制备脱硫型水煤浆的试验研究

Practice for Process of EAF Carbon Pick-up Operation for Production of Medium and High Carbon Steels;

EAF留碳操作生产中、高碳钢的工艺实践

The medium and high carbon steels were quenched with and without magnetic field in the self-made quench tank,the austenite transformation in the NaCl solution was studied,and the microstructure change after phase transformation was observed.

利用自制的磁场热处理设备对中、高碳钢进行了施加磁场与不施加磁场的淬火处理,研究了奥氏体在NaCl溶液中冷却时的组织转变,观察了相变后的组织变化。

The goaf gas drainage is carried out by drilling holes with strike and middle-high-order at the π type caving coal face in the inflammable and high coal seam.

易发火特厚煤层π放工作面利用走向中高位钻孔实施采空区瓦斯抽放,解决了工作面瓦斯超限制约工作面生产的问题,效果显著,为低瓦斯矿井实现高体积分数瓦斯抽放提供了可行性依据。