... beam pumper 游梁式抽油机 fire pumper 救火泵车 ; 泵浦消防车 ; 消防水罐车 ; 消防泵车 pumper connection 水泵接合器 ...
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It is located on a rotary crank on a crank-balanced pumper and can also be located on the walking beam on the end opposite the well on a beam balanced pumper.
在曲柄平衡抽油机上平衡块位于旋转的曲柄上，而在游梁平衡抽油机上平衡块位于井的相对一端的游梁上。
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