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[判断题]
在有毒性、刺激性、腐蚀性等环境下施工时,必须确认无危险后方可进人施工()
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第3题
B.As various kinds of cargoes are carried in one ship proper segregation between them must be taken into consideration.
C.Most attention must be paid to the dangerous cargoes which are of an inflammable, corrosive, poisonous and explosive nature
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