锅炉给水()应装在锅筒和给水止回阀之间,并与止回阀紧密相连。
A、截止阀
B、闸阀
C、减压阀
D、疏水阀
参考答案:A
---Excuse me, could you tell me the way to the Museum?
--- Sorry, I’m a stranger here.
---_______.
A.Thanks anyway
B.It doesn’t matter
C.Never mind
D.No problem
中国期货业协会和期货交易所依法对期货公司的金融期货结算业务实行行政管理。()