正常运行中磨排子煤石门在何处操作?
参考答案:正常运行中磨排子煤石门在除灰PLC控制盘操作。
It's cold. you'd better _____ more clothes.[ ]
A. put on
B. wear
C. to put on
小建中汤中桂枝与芍药的用量比例是()
A.1:1
B.1:2
C.1:3
D.1:4
E.1:5