在工业企业中,传送带、电力网属于()。
A.生产设备
B.动力设备
C.传导设备
D.管理设备
参考答案:C
33. Our English teacher devoted herself_____to her teaching, which earned her a good reputation in our school.
A.strongly
B.entirely
C.extremely
D.Freely
简述sitemaster(驻波仪)的使用步骤。