瓷底胶盖闸刀开关可用作不频繁起动的电动操作开关，但其容量应不超过（）
A、0.5KW
B、3KM
C、5KM
D、7KM
参考答案：B
MemoTo: All StaffFrom: Supplies ManagerDate: 1 March 2002Subject: New Equipment___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
精神科护理发展的趋势是什么？
