The chemical cargo has the characteristic of _____________ to be paid sharp attentions during sea transportation.(1.0)
A.flammability B.toxicity C.corrosivity D.all of the above正确答案D
The chemical cargo has the characteristic of _____________ to be paid sharp attentions during sea transportation.(1.0)
A.flammability B.toxicity C.corrosivity D.all of the above正确答案D
