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当班组长每天要用不良板来先调试好磨痕。
The shift leader a day with bad board to first tested grinding mark.
youdao
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汽蚀可使阀内件的表面产生磨痕、深沟及凹坑。
Cavitation can make the surface trim have worn, and deep pits.
youdao
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汽蚀可使阀内件的表面产生磨痕、深沟及凹坑。
Cavitation can make the surface trim have worn, and deep pits.
youdao