当冷凝温度一定时,蒸发温度越高,()越小
A、单位质量制冷量
B、单位冷凝热负荷
C、单位容积制冷量
D、单位功耗
参考答案:D
With the victory at the French Open, Li Na has reached NO.4 in the world,______ the previous Asian record.
A.equaled
B.equaling
C.to have equaled
D.having equaled
创伤现场急救的首要原则是 ( )
A.固定患肢
B.记录伤情
C.准备转运
D.抢救生命
E.止痛,镇静