fine grained steel
美英
- un.细晶粒钢
fine grained steel
fine grained steel
细晶粒钢
焊接专业关联词汇(机械专业F4) _ 上海疯狂英语 ... fine grain 细晶粒 fine grained steel 细晶粒钢 fine grinding 细磨碎 ...
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