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

词汇	principal maintenance period
释义	principal maintenance periodprincipal maintenance period1.■规定的维护期
随便看	expansion phase expansion piece expansion pipe expansion pipe bend expansion plan expansion plate expansion plug expansion plug snap ring expansion pressure expansion-pressure device expansion-pressure measurement expansion-pressure ratio expansion-pressure test expansion-pressure testing apparatus expansion procedure expansion process expansion project expansion pyrometer expansion rail joint expansion rate expansion ratio expansion ratio of turbine expansion reaction expansion reamer expansion refrigeration

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