pneumatic tyres充气的轮胎Driving Mode: hand wheel, hand equipment, electromotion and pneumatic actuator.驱动方式有: 手轮, 手动装置, 电动,气动.This pneumatic tool will double the speed of assembly.这个气动工具可以把装配速度提高一倍.All air is expressed from ...
We corresponded regularly.我们定期通信。Janet and Bob corresponded for many years before they met.珍妮特和鲍勃会面之前已通信多年.Mary and Tom had corresponded with each other before they met.玛丽和汤姆见面前已互相通过信....