no welding zone 不结合区
zone of welding current 焊接电流调节范围
welding heat affected zone 焊接热影响区
welding pool reacting zone 熔池反应区
welding heat affecting zone 焊接热影响区
The steam leakage was occurred on the welding zone of the tube sheet of the austenitic stainless steel heat exchanger.
在奥氏体不锈钢制再沸器的上管板与壳程筒体焊接的管板一侧发生蒸气泄漏。
The changes of microstructure in welding zone and its vicinity were observed, and flexural strength of the welding zone was also tested.
观察分析了焊接区及其附近的组织变化，测试了焊接区的室温弯曲强度。
To ensure the quality of products of the stability and reliability, providing the customers with better quality of photovoltaic welding zone.
保证产品品质的稳定性和可靠性，为客户提供更优质的光伏焊带。
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