感应调压器只有在电压不稳定需要调整时才由()机构转动转子。
参考答案:蜗轮转动
Traditionally, college students hold a graduation ceremony to encourage themselves before they on their life jouney.
A.give up
B.settle down
C.get through
D.set off
性温,善通行脾胃之滞气的药是()
A.青皮
B.橘红
C.娑罗子
D.绿萼梅
E.九香虫