下面()安装使用延迟器。
A、湿式报警阀组
B、干式报警阀组
C、雨淋报警阀组
D、预作用报警阀组
参考答案:A
-- ?
--They are my books.
A.What are those
B.What is that
C.What is those
D.What is this
方药宜选:
A.增液承气汤
B.四物汤合大定风珠
C.羌活胜湿汤
D.荆防败毒散
E.以上都不是