But it is also very dangerous because burn-through might happen during welding. In this paper, the device was designed and set up to simulate the in-service welding.
但在役焊接时可能发生烧穿,有很大危险性。
参考来源 - 运行管线在役焊接烧穿机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Because of the fast cooling of flowing medium, the hydrogen cracking occurs easily under in-service welding.
在役焊接过程中，管内流动介质的快速冷却，易使接头出现氢致裂纹。
Temperature field and residual stress field of orthogonal structure under normal welding and in-service welding condition were simulated by FEM.
运用有限元方法对正交接管结构在常规焊接和在线焊接条件下的温度场和残余应力场进行了数值模拟。
The simulation of plate test not only proved the reliability of SYSWELD on in-service welding simulation, but also showed the procedure of application of this software.
通过对平板试验的模拟，不仅验证了SYSWELD软件在焊接仿真上的可靠性，同时也为该软件的具体操作流程做了介绍。
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