The laser - cladding techique for welding of and large workpieces is reported.本文报导了激光熔敷法焊接异型件的新技术.Cooling affects the machining precision of workpieces and the tool - life greatly.冷却问题的研究是非常重要的,它对工件的加工质量和刀具寿命有很大影响.Adopti...
他倾向性过于明显，当不了裁判。He is clearly too partisan to be a referee.我们防守的时候，裁判们一直看着球。When we are fielding, the umpires keep looking at the ball.有个裁判认为投球犯规.One of the judges thought it was a foul throw....
My experience as Rotary World Peace Fellow has been rewarding and enriching.我在担任扶轮世界和平奖学生的经验已经得到回报及充实.Rotary cutting knife is a licensee of a greater, easily damaged.圆压圆模切刀的持不面是投资不小 、 难败恶....a rotary engine.转缸式发动机Use of ...