2009年，淮北矿业煤质管理成效明显，商品煤质量首次实现“零超差”、“零赔付”。

In 2009, Huaibei Coal Mining management effectiveness obviously, the first commercial coal quality and to achieve "zero-tolerance" and "zero payment.

youdao

2009年，淮北矿业煤质管理成效明显，商品煤质量首次实现“零超差”、“零赔付”。

In 2009, Huaibei Coal Mining management effectiveness obviously, the first commercial coal quality and to achieve "zero-tolerance" and "zero payment.

youdao