a waterless barren region干旱的荒芜地区Have you ever heard of water in this'Waterless Desert '?‘极旱之地 ’ 怎么会有水源 呢 ?Waterless offset : Offset printing using waterless plate, thus the damping system may be eliminated.无水柯式...
waterless cleaning无水清洁A broken blue line means the course of a waterless valley.蓝色虚线代表无水流过的山谷。a waterless barren region干旱的荒芜地区Waterless offset : Offset printing using waterless plate, thus the damping system may be elimi...
The stewards all wore armbands.乘务员都戴了臂章。Organisers had consulted widely with police, stewards and safety officers to ensure tight security.组织者广泛征询了警方、管事和保安的意见，以保证绝对安全。The stewards' badges are made so they do not uns...
生理学的产生和发展; 前馈控制特点及生理意义.Physiological production and development; The characters and physiological meaning of Feed - forward control.前馈校正的引入克服了电压均值反馈控制快速性不好的缺点.The introduction of feedforward enhance speediness of this co...