A mercurial barometer at sea is subject to rapid variations in height (“pumping”) due to the pitch and roll of the vessel. To avoid this error,measurements of atmospheric pressure at sea are usually measured with a(n)().
STCW公约所要求的船员培训包括()。
Ⅰ、为申请适任证书考试者而安排的考证培训;
Ⅱ、为保证持证船员不断精通业务并掌握最新知识而安排的专业培训;
Ⅲ、为提高所有船员或某类船员单项专业技能而要求的培训;
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
根据《中华人民共和国海船船员适任考试发证规则》的规定,在中国籍海船上任职的船长、甲板部高级船员金额值班水手应当持有与其所服务的()和所担任的植物相符的有效适任证书。
①船舶航区;
②船舶种类;
③主机功率;
④船舶吨位。
免费的网站请分享给朋友吧