coalpit是什么意思？coalpit怎么读？coalpit例句及用法

1 . 煤坑

coalman 煤商coalpit煤坑coalsack 装煤麻袋

2 . 煤矿

coalman 煤矿工人coalpit煤矿coaly inclusion 煤包体

3 . 炭灶

coalpier 煤码头, coalpit炭灶, coalpier 突堤式煤码头

1 . 小煤窑

as state-owned of small coalpit of the ageing of big mine and villages and towns shut thoroughly , once brilliant old economy adding up to hill dropped when new old century is alternant trough .随着国有大矿的老化和乡镇小煤窑的彻底关闭，曾经辉煌了多年的合山经济在新旧世纪交替之际一下跌入了低谷。