driver-ex-tractor vibrating hammer 打桩拔桩两用振动式桩锤
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同义词: centrifuge separator
以上来源于: WordNet
N-COUNT An extractor is a device that squeezes liquid out of something. 榨汁器 [with supp]
...a juice extractor.
...一台榨果汁器。
N-COUNT An extractor or extractor fan is a device that is attached to a window or wall to draw smells, steam, or hot air out of a room. 排风扇 [英国英语]
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