英语词汇“beam pump”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	beam pump
释义	beam pump noun : an oil-well pump actuated by a walking beam
随便看	heavy oil heavy oil of wine heavy on heavy on one's hands heavy oxygen heavy pine heavy racket heavy sleeper heavy snow heavy snowfall heavy solution heavy spar heavy water heavy weapons company heavy weather heavy with heavy-armed heavy-duty heavy-footed heavy-handed heavy-handedly heavy-handedness heavy-headed heavy-laden heavy-wooded pine

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beam pump