在激光热源的基础上复合电弧进行焊接，可以降低焊接成本，提高焊接效率。
Compounding arc heat source to laser heat source can reduce welding co st and improve welding efficiency.
研究了热传导方程的通解，进而提出激光热源形成的微观机理和热源形成过程的三个理论计算式。
We go further into the micro-mechanism of developing laser heat source, and put forward threecalculable formulas in theory.
气缸盖激光热负荷试验采用整形激光束作为热源模拟实际工况下气缸盖承受的热负荷。
In the thermal fatigue test of cylinder head, the shaped laser beam is chosen as the heating source to simulate the real fatigue.
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