Through successful leakage stoppage and cladding of a new compensator, it realized on-line overhaul of a gas main pipe network of the large coke oven.
焦煤主管道鼓型补偿器严重腐蚀泄漏，通过成功堵漏和新补偿器包覆，实现了腐蚀泄漏严重的大型焦炉煤气主管网的不停产在线检修。
When a natural gas network is done off-line numerical simulation, every pipeline needs be distributed initiatory flow as the initiatory value of iterative computation.
在对天然气管网进行离线数值模拟计算时，需要给各管段分配初始流量，并作为迭代计算的初始值。
Gas inspection system that uses modern information technology and network technology, supervises gas detection officers to check inspection line and each polling place.
煤矿事故的发生，绝大多数是由于人的不安全因素所致，如管理措施不力，人员监督检查不到位。
Gas inspection system that uses modern information technology and network technology, supervises gas detection officers to check inspection line and each polling place.
煤矿事故的发生，绝大多数是由于人的不安全因素所致，如管理措施不力，人员监督检查不到位。
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