近年来，一种新型高效的焊接法——A-TIG焊正引起世界范围内的高度重视。
Recently, a new type of welding method (A-TIG welding) calls a great attention all over the world.
通过焊接偏移试验、直流正接A-TIG焊试验和FBTIG 焊试验研究了活性剂增加熔深的机理。
Some experiments, including weld deviation experiment, A-TIG welding experiment with DCSP mode and FBTIG welding experiment, are made to study the mechanism of activating flux improving penetration.
对各种正装和倒装焊功率型LED芯片的表面温度分布进行了直接测试，对其散热性能进行了分析。
The temperature distribution of power LEDs is measured, and the performance of thermal dispersion is discussed.
对各种正装和倒装焊功率型LED芯片的表面温度分布进行了直接测试，对其散热性能进行了分析。
The temperature distribution of power LEDs is measured, and the performance of thermal dispersion is discussed.
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