铸铁省煤器的有破损肋片的根数不应大于总根数的( )。
A.5%
B.6%
C.8%
D.10%
参考答案:D
The movie once a whole generation of people. They proved to be of much in the education of people.
A.affected; effect
B.effected; affect
C.effected; effect
D.affected; affect
DDN网为全透明网,可以承载任何类型协议。