some hard plastics can be ---------metals in manufacturing m
some hard plastics can be ---------metals in manufacturing machine part.
A.substituted for B.take the place of
选哪个?,AB不应该在一道题里吧?
taken the place of，
说明原因
区别
A.substituted for B.take the place of
选哪个?,AB不应该在一道题里吧?
taken the place of，
说明原因
区别
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1年前3个回答
你能帮帮他们吗