题目内容

无()设备或()的航空器,禁止在积冰区内飞行。

A. 防冰,防冰设备有故障
B. 加热,加热设备有故障
C. 除霜,除霜设备有故障
D. 救生,救生设备有故障

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胃的主要功能()

A. 受纳、腐熟水谷
B. 受盛化物、分别清浊
C. 贮藏和排泄胆汁
D. 贮存和排泄尿液
E. 传化糟粕

无缝气瓶的自身钢印标识不清应()处理。

A. 参照同一型号气瓶的重量
B. 按照平时的充装经验确定
C. 不能充装
D. 不影响充装

Which of the following terms represents the form. of heat removed from the refrigerant in

A. Latent heat of vaporization
B. Heat of compression
C. Superheat
D. All of the above

We are expecting the goods we ordered at our warehouse by the end of next month.

A. to arrive
B. arriving
C. arrive
D. arrived

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