The observed friction force is the force required to break these tiny welds.我们观察到的摩擦力,就是破坏这些细微的焊接点所需要的力.Arc strikes outside of the welds were avoided.焊缝外要避免电弧穿刺.A crawler, device of girth welds testing outside pipeline i...
The box corner welds were made with E 70 electrodes.箱型梁内角部焊缝所用的电焊条为E70.Arc strikes outside of the welds were avoided.焊缝外要避免电弧穿刺.The observed friction force is the force required to break these tiny welds.我们观察到的摩擦力,就是破坏这些...
She did not take into account how much liberty she was securing.她并不考虑自己已获得了多少自由.Longfellow was lucky in securing a professorship of modern languages at Harvard.朗费罗能够在哈佛大学当上现代语言教授是出于幸运.Victor's finest achievement for...