coal pit
短語(yǔ)詞組
- coal thawing pit 煤的解凍庫(kù)
- non -coal open pit 非煤露天鑛山
- water in coal pit 鑛井水
- small -coal pit 小煤窰
- ancient coal pit 古煤窰
- Huachu coal pit 化処鑛井
- Huojitu excavated coal pit 活雞兔採(cǎi)煤塌陷區(qū)
- coal pit a surname 煤坑
- coal pit waste water 鑛井水 返回 coal pit