“smooth pipe”的概念、定义、翻译、参考文献-科学参考

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单词	smooth pipe
释义	smooth pipe 光面管
随便看	non-return-to-zero recording non-return-to-zero representation non-return trap non-return valve nonreusable nonreusable disk queuing non-reusable medium non-reusable program non-reusable routine nonreusable routine non-revenue nonrevenue equipment nonrevenue passenger non-revenue receipt non-revenue receipts non-reversibility non-reversible nonreversible non-reversible clutch non-reversible control non-reversible crimp non-reversible deformation non-reversible electric drive non-reversible frequency changer non-reversible hammer crusher