- coarse fill
- 粗: wide; thick
- 充填: filling; stowing; backfillin ...
- 料×: 7 chi
- 充填料: attle; backfill material; fill rock; filling material; fillings; fillmaterial; stowage material; stowing material
- 充填料井: rock shaft
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粗充填料的英文
发音:
- coarse fill
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