instrument lubricant是什么意思 instrument lubricant怎么读
instrument lubricant的相关资料
instrument lubricant的用法和样例
- If the spacing between mating flanges is tight, the valve sealing surface should be coated with a lubricant to prevent distortion during installation.
如果配置的法兰之间的间隙过紧，则阀门密封面应该用润滑剂涂敷以防止在安装过程中产生扭曲变形。
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