The hydraulic calculation of vent line is an interesting but difficult problem in naturalgasgathering engineering design.
放空管路水力计算是天然气集输工程设计中一个令人极感兴趣、却又常常使人困惑的问题。
2
Naturalgasgathering project is a complicated system engineering project with extremely high risk. Therefore, security design is significant.
气田集输工程是风险性很高的复杂系统工程，安全设计非常关键。
3
The living room is the naturalgasgathering place should be stable, should not be the living room planning in line, so that people walking too frequently.