3020| 4
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整体热处理和表面热处理英文? |
点评
昆撤安得摊颇 : quench under temperature
色费撕哈盯恁撕 : surface hardness
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点评
就是阿拉说的那个,米国、英国、德国基本都这个写法,特殊说明的例外,
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