同时总结了一套计算焊接预热温度确定方法和焊接接头匹配的选取原则与方法。
In addition, a calculating method on welding preheating temperature and a selective principle and method on welding component matching are concluded.
对配方所必须作出的变动即是添加能够承受较高的预热和焊接温度的新活化剂配系。
The formulations change required are new activator systems, which can sustain higher preheat and soldering temperatures.
预热温度在焊接开始到结束期间应保持均衡。
Preheating temperature shall be kept uniform from the start to the end of welding.
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