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%。

youdao

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%。

youdao