英语词汇“steel roll”的读音、翻译、释义、用法及例句-开邑网

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词汇	steel roll
释义	steel rollsteel roll1.■钢轧辊
随便看	operational research operational research model operational reserve operational responsibility operational room monitor operational route map operational rule operational safety operational semantics operational servo operational sign operational site operational space operational sphericity operational staff operational stripping ratio operational support system operational system matrix operational testing operational test set operational thinking operational travel operational variable operational version operational word