... coal ball ==> 煤层石球,煤结核 coal band ==> 煤条带 coal barge jetty ==> 煤驳码头 ...
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thin-thicrness-changed coal band 煤厚变薄带
lnter-band coal 夹矸煤
flame band coal 有焰煤
coal seam with dirt band 含夹矸层煤层
Pingdingshan Coal Group Wide band 平煤宽带网
The band was founded in 1917 by workers from the local coal mine.
BBC: Band outside Olympic stadium
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