thrusting是什么意思? thrusting results are caused by high pressureconditions during the pressing process. thrusting surfaces are thereby producedat an angle of 20°to 25°to the striking surface. the surfaces are irregular andglossy 承插是在高压环境下,由于冲压作用形成的。承插面与承击面产生了一个的角度,大小为 20° 至 25° 。表面的形状是不规则的,但是表面光滑 查看更多