coal pit
短語(yǔ)詞組
- coal thawing pit 煤的解凍庫(kù)
- non -coal open pit 非煤露天礦山
- water in coal pit 礦井水
- small -coal pit 小煤窯
- ancient coal pit 古煤窯
- Huachu coal pit 化處礦井
- Huojitu excavated coal pit 活雞兔采煤塌陷區(qū)
- coal pit a surname 煤坑
- coal pit waste water 礦井水 返回 coal pit