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...
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...
With their help we tided over our difficulties.在他们的帮助下,我们克服了困难.The sea tided the debris ashore.潮水把碎片杂物冲上海滩.By trimming the sails , he tided over the crisis.他随机应变, 渡过危机....
Exercise has a major part to play in preventing and combating disease.体育锻炼在疾病防治方面发挥着重要作用。Scientists claim to have identified natural substances with cancer-combating properties.科学家们声称已经发现自然界的某些物质具有抗癌特性。He has put his hea...