“pitch factor”的概念、定义、翻译、参考文献-科学参考

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单词	pitch factor
释义	pitch factor 节距因数
随便看	standard current metre standard curve standard cutter standard cylindrical gauge standard data format standard data interchange (SDI) standard data message standard data phone standard datum plane standard D coupler standard DC power supply standard deadweight press tester standard deals standard death rate standard declaration standard deduction standard definition standard deflection standard density standard depth standard depth dyeing (SDD) standard depth-pressure recorder standard depth scale standard design standard design flood