Fresh Air Crew 野外挑战者
air-crew 空勤人员
air crew crew 机组人员
rac rated air crew 有技术等级的空勤人员
cac combat air crew 作战机组
N-COUNT-COLL The aircrew on a plane are the pilot and other people who are responsible for flying it and for taking care of any passengers who are on it. 机组人员
Objeefive To investigate the mental health status of the air crew.
目的探讨空中乘务员心理卫生状况。
Objective To observe effect of eustachian tube dysfunction on function of internal ear in air crew.
目的探讨飞行人员咽鼓管机能障碍对内耳听功能和前庭功能的影响。
Occupational exposure from natural radiation should be controlled, such as to underground miners and air crew.
有必要控制天然辐射产生的职业照射，如地下矿工和航空机组人员。
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