It is composed of casing flange, casing cross joint, wellhead valves, tubing hanger, tubinghead cross joint and accessories.
这种井口装置由套管法兰、套管大四通、井口阀、油管挂、油管挂体及相关附件组成。
2
The combine has provided the flowing tubinghead pressure punch press, the automatic welding machine, the instrumentation automatically makes the equipment with other.
我们的综合工厂配备了油压冲床，自动焊接机器，检测仪器与其它自动制造设备。
3
It was made of aluminum tubing, Mylar and piano wire, with a weird horizontal stabilizer poking from the front like the head of a stork.