氟里昂压缩机正常运转时的吸气温度温度比蒸发温度高()℃。
A.5~10
B.5~12
C.5~15
D.5~20
参考答案:C
肌电图或诱发电位,主要是检查
A.肌损伤
B.肌腱损伤
C.骨关节损伤
D.肿瘤
E.周围神经损伤
Chengdu has focused on improving the surrounding countryside, ________ encouraging largescale city expansion.
A.due to
B.rather than
C.except for
D.other than