发生气蚀现象后,会引起泵的冲击、振动和性能下降。
参考答案:对
At present, there are many instances the governments distribute money to the citizens worldwide, but the sources of fund are still limited.
A.how
B.which
C.where
D.when
对于行政行为内容中义务的设定来说,其表现形式不包括( )。
A.接受审计督察 B.撤销纳税决定C.接受纳税决定 D.拘留决定