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单词
ground coal
释义
ground coal
ground coal
[
′grau̇nd ‚kōl
]
(mining engineering)
The bottom of a coal seam.
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m-bwo
mbwp
mbwr
mbws
mbwsr
mbwt
mbww
mbwwa
mbx
mby
mbyb
mbyc
mby&d
mbyd
mbyf
mbyg
mbyl
mbyll
mbymv
mbys
mbysa
m-byte
mbyte
mbytes/sec
mbz
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更新时间:2025/3/17 10:10:55