For transport of hazardous materials, truckers have to( ).
A. affix proper labels for the respective hazard(s)to their vehicle
B. confirm weight after loading and before delivery
C. transport in tank trucks or tanker lorries(also road-tankers)
D. transport in special containers
查看答案
Translate the following terms into Chinese：rail transport
Translate the following terms into English:转运成本
Translate the following terms into English：公路运输
Translate the following terms into English：快速交货
微信支付 
支付宝支付