aircrew造句
Objective : To observe the therapeutic effect of Xuezhikang on hyperlipemia of
aircrew.
目的: 观察血脂康对空勤人员高脂血症的治疗效果.
Do you know what the responsibilities for the
aircrew are?
你知道空勤人员的职责是 什么 ?
Objective To probe Characteristics and effect of myringorupture
aircrew on flight.
目的探讨飞行人员鼓膜破裂的特点及对航空航天飞行的影响.