welds的例句（welds在句子中的用法）

• 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.
• 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.
• A crawler, device of girth welds testing outside pipeline is developed successfully. 成功地研制了管道外检测机械装置—爬行器.