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单词
grass-roots deposit
释义
grass-roots deposit
grass-roots deposit
[
′gras ‚rüts di′päz·ət
]
(mining engineering)
A deposit that is discovered in surface croppings, is easily exploited, and can pay for its own development while in progress.
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dioicously
dioicousness
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diolamine
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更新时间:2025/3/28 10:07:10