金属喷涂法中，用（）熔化金属的叫做气喷涂。

A.0.2~0.5%
B.7~10%
C.10~13%
D.13~15%

A.水泥伞
B.钢板支撑环
C.橡胶密封圈
D.单流阀

A.1.37~1.58g/cm³
B.1.37~1.79g/cm³
C.1.45~1.95g/cm³
D.1.45~2.00g/cm³