colliers

Some colliers squatted upon their hunkers against the wall.

有几个煤矿靠著墙蹲著。

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.

石棉矿开采和加的矿和，触石棉的发生胸膜间瘤远远高于不触者。

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

为金收入问题，矿OJ只得通过易货交易，举债，受配给和补贴以艰难度日。