单项选择题
The transportation of dangerous cargo in packages is governed by().
A.IBC code B.BC code C.IMDG code D.IGC code
单项选择题 The use of()between bags may lead to chafage and tearing of the bags.
单项选择题 The valves()S/0 No.187 is not shown in the plan.
单项选择题 To improve your vessel’s stabilty in a hazardous situation, you should().