“hollow-plunger pump”的概念、定义、翻译、参考文献-科学参考

单词	hollow-plunger pump
释义	hollow-plunger pump [`häl·ō ´plǝn·jǝr `pǝmp] ^{MINING ENGINEERING} A pump for mining and quarrying in gritty and muddy water.
随便看	polarized meter polarized neutrons polarized plug polarized receptacle polarized relay polarized scattering polarized-vane ammeter polarizer polarizing angle polarizing filter polarizing microscope polarizing pyrometer polar keying polar lake polar line polar low polar maritime air polar meteorology polar migration polar modulation polar molecule polar mutations polar navigation polar night polar normal

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