水泥土搅拌法(干法)在喷粉施工前,应检查什么?
参考答案:
喷粉施工前,应仔细检查搅拌机械、供粉泵、送气(粉)管路、接头和阀门的密封性、可靠性。送气(粉)管路的长度不宜大于60m。
如图所示电路,开关可以使L、L同时发光和熄灭的是
A.甲、丙
B.乙、丁
C.甲、丁
D.丙、丁
— ______?
— I'd like some milk. [ ]
A. Can I help you
B. What do you want
C. Do you like milk
D. Would you like some milk