The orifice support tube is_______（连接到） the top of the outer cylinder and _______(滑动) the tapered metering pin
A.connected to，slides over
B.attached to, skid
C.mounted to, mate with
D.connecte to ,slide
正确答案是A
The orifice support tube is_______（连接到） the top of the outer cylinder and _______(滑动) the tapered metering pin
A.connected to，slides over
B.attached to, skid
C.mounted to, mate with
D.connecte to ,slide
正确答案是A