“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	frond frondelite front front abutment pressure frontal-advance performance frontal angle frontal apron frontal bone frontal contour frontal crest frontal cyclone frontal drive frontal eminence frontal fire frontal fog frontalia frontal index frontal inversion frontal lifting frontal lobe frontal nerve frontal occlusion frontal passage frontal plain frontal plane

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