collier

Some colliers squatted upon their hunkers against the wall.

有几个煤矿工人靠墙蹲。

To solve cash income problem, collier OJ is obliged to carry barter transaction, raise debt, accept admeasure and allowance to live with hardship.

决金题，矿工OJ只得通过易货交易，举债，接受配给和补贴以艰难度日。

The collier that asbestine mine extracts and machines and worker, the person that contacts asbestine produces the person that far outclass of tumour of the skin between pleura is not contacted.

石棉矿开采和加工的矿工和工人，接触石棉的人发生胸膜间皮瘤远远高于不接触者。