题目内容
截止2017年年底全世界大约有________船员。At the end of 2017, there were about ______ sailors worldwide.
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我国沿海航区的船长、驾驶员、轮机长和轮机员可分为________The competency certificates of Masters, deck Officers, Chief Engineers and Engineers for coastal navigation areas in China are classified as_______.
Based on the perspective of responsibility, the functions of seafarers include the ________. 按责任级别，船员可分________
The management level ensures that all functions within the designated area of responsibility are properly performed. The corresponding ranks include______ 管理级指保证正规地履行指定责任范围内的所有功能有关的责任级别，对应的职务包括________
________是在开敞式救生艇基础上加设刚性的封闭顶盖，以保护乘员不受冷热侵袭。 ______is a rigid enclosed roof attached to the open lifeboat to protect the occupants from cold and heat.
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