干饱和蒸汽继续定压加热,蒸汽温度上升而超过饱和温度时,就变为()。
参考答案:过热蒸汽
The trees _____ in the storm have been moved off the road. [ ]
A. being blown down
B. blown down
C. blowing down
D. to blow down
先天性肌性斜颈首选的治疗方法是()
A.新生儿确诊,按摩、热敷,手法矫正
B.1岁左右,切断胸锁乳突肌胸骨头
C.2岁左右,切断胸锁乳突肌锁骨头
D.3岁左右,切断胸锁乳突肌胸骨头和锁骨头
E.4岁左右,切断胸锁乳突肌胸骨头和锁骨头