气动薄膜调节阀的输入气压信号增大时,阀门开大的叫(),阀门关小的叫()。
参考答案:气开阀(FC、A.O.)、气关阀(FO、A.C.
治疗癫痫小发作的首选药物是()。
A.苯妥英钠
B.乙琥胺
C.苯巴比妥
D.扑米酮
E.卡马西平
If you have health examinations______, any disease you may have can be discovered early and successful treatment is more likely,
A.approximately
B.regularly
C.gradually
D.roughly