英语词汇“period section steel”的读音、翻译、释义、用法及例句-智慧网

词汇	period section steel
释义	period section steelperiod section steel1.■周期断面钢材
随便看	pump circulation pumpconcrete pump concrete pump connecting link pump control mechanism pump control valve pump cooling pump cover pumpcrete pumpcrete machine pump cup pump cure pump curve pump cylinder pump delivery pump delivery head pump delivery test pump depletion pump diaphragm pump diffuser pump direct driven press pump discharge pump discharge control valve pump displacement pumpdown

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