默认题库 - 固体散装危险品与BC规则 - 查题吧

单选题

An all-round flashing yellow light may be exhibited by a(n)（）.

A. vessel laying cable
B. vessel towing a submerged object
C. vessel not under command
D. air cushion vessel

单选题

An example of a grade B product is（）.

A. piperyline
B. motor gasoline
C. kerosene
D. mineral spirit

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