单项选择题
A. The principal protective coating is paint. B. The principal protective coating is cement wash. C. The principal protective coating is bitumen. D. The principal protective coating is varnish.
A. The chief officer is responsible for the overall maintenance of the deck department. B. The second officer is responsible for the overall cleaning of the deck department. C. The third officer is responsible for the overall maintenance of the deck department. D. The chief officer is responsible for the overall cleaning of the deck department.
A. A vessel is made up of the hull and the superstructure. B. A vessel is made up of the hull and the bridge. C. A vessel is made up of the hull and the forecastle.