而煤炭生产物流是煤炭企业物流的重要组成部分，是矿井生产的大动脉，煤炭生产物流在很大程度上决定了煤炭成本、产量以及生产效率。
But coal production logistics is one of the key part of coal enterprise logistics , and its condition can decide coal cost , production and efficiency .
动脉物流