“sump pump”的概念、定义、翻译、参考文献-科学参考

单词	sump pump
释义	sump pump [`sǝmp ´pǝmp] ^{MECHANICAL ENGINEERING} A small, single-stage vertical pump used to drain shallow pits or sumps.
随便看	RDS RDSS RdTh RDX Re reach reach rod reactance reactance amplifier reactance drop reactance frequency multiplier reactance grounded reactance relay reactance tube reactance-tube modulator reactant reactant ratio reaction reaction border reaction boundary reaction curve reaction energy reaction engine reaction enthalpy number reaction fin

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