室带是位于()
A.声门上区
B.声门区
C.声门下区
D.声门旁区
E.跨声门区
参考答案:A
The government is also undertaking important educational work based on the _______ of the members that the best form of conservation is the prevention of damage.
A. consequence B sense C. scene D. consensus
电动给水泵组大修后启动注意哪些问题?