这时检查，要比开焊之后才发现靠谱。
It is better to find out at this point than after you start soldering.
对掩护梁发生开焊而引发的安全系数问题进行了探讨。
The article discusses problems of safety coefficient caused by open welding of shield beam.
从理论和工艺上分析滚筒齿座开焊的原因、气孔的产生和怎样减少气孔生成、冷裂现象生成及其予防。
This paper analyses theoretically and technologically, the reason of barrel tooth holders sealing off , of produced gas hole and cold crack.
应用推荐