Use reducer special for plastic extruder with alloy hard - toothed surface.采用合金硬齿面塑料挤出机专用减速机.This article introduces simulation analysis methods of twin - screw extruder.本文介绍了双螺杆挤压机的模拟分析的方法.In the control system of new d...
He entered for many competitions, winning several gold medals.他参加过多次比赛，赢得了数枚金牌。The horse made a winning start for his new trainer.这匹马为它的新驯马师开了个好头。We delved through a sackful of letters to draw the winning name.我们把手探进一袋信件...
The dancing is uninhibited and as frenzied as an aerobics class.舞跳得非常奔放，就像在做有氧健身操一样疯狂。I'd like to join an aerobics class to improve my fitness.我想参加有氧运动训练班来增强体质。Unlike aerobics, walking entails no expensive fees for ...