《固定式硫化氢检测仪传感器应至少在下述位置安装()。
A.方井;
B.钻井液出口管口、接收罐和振动筛;
C.钻井液循环罐;
D.二层台。
参考答案:A, B, C
--- I think drinking milk is good ____ our health.
--- Yes, I agree _____ you.
A.with, to
B.to, to
C.at, with
D.for, with
Mauriac综合征