这让一些煤炭企业痛苦不已，因为他们除了用铁路运输之外别无选择。
This has caused unhappiness among some coal companies which have no alternative means of transport.
现在咱们所在的地方就是煤炭开采和运输的地方。
The place where we're standing is the coal mining and transportation area.
煤炭物流；运输网络；风险评价；均衡保持。
Coal logistics; transport network; risk evaluation; balance to maintain.
煤炭是最大的单一运输货物，占总货运体积的45%和货运总值的23%。
Coal is the biggest single cargo accounting for 45% by volume and 23% by value.
煤炭是最大的单一运输货物，占总货运体积的45%和货运总值的23%。
Coal is the biggest single cargo accounting for 45% by volume and 23% by value.
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