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单词
plunger jig washer
释义
plunger jig washer
plunger jig washer
[
′plən·jər ¦jig ‚wäsh·ər
]
(mining engineering)
A machine for washing ore, coal, or stones in which water is forced alternately up or down by a plunger.
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更新时间:2025/3/16 10:02:58