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hard-face

vt. 使表面硬化；覆以硬质金属

1、覆硬质金属

...hard-earned 辛苦得到的hard-face 覆硬质金属hard-faced 面貌严厉的 ...

2、[冶]硬面

... 硬表面 hard surface 硬面 hard-face 硬头 hardhead ...

hard gear-face硬齿面

middle hard gear-face中硬齿面

hard-face tool holder硬面工具盒

能源科学技术

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