choke line造句怎么写
- 造句
- 关注:3.17W次
A leaking choke line has added delay to tests designed to make sure the well can tolerate the pressures engendered by a firm seal on the top.
Shut off the lower pipe ram, open the choke line and test the next ram and choke line.
This valve is used on diverter systems and choke lines leading from the blow out preventers.
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