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单词
commercial mine
释义
commercial mine
commercial mine
[
kə′mər·shəl ¦mīn
]
(mining engineering)
A coal mine operated to supply purchasers in general, as contrasted with a captive mine.
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irvn
irvne
irvoc
irvp
irvpi
irvq
irvr
irvt
irvv
irvw
irvwa
irw
irwa
irwaz
irwba
irwbphn
irwc
irwd
irwe
irwef
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irwg
irwi
irwin
irwin, bill
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更新时间:2025/3/17 1:42:39