With the frequent characteristics only, we can Judge the flying quality of a DFC aircraft easiely.利用频域特性, 可以方便地评定DFC飞机飞行品质等级.This paper introduces the control method of the DFC - motor system with PLC.介绍了用PLC实现数字变频器 - 电动...
Ramps should be provided for wheelchair users.应该给轮椅使用者提供坡道。He has the upper floor and ramps are fitted everywhere for his convenience.他住在上面一层,为了他的方便着想,到处设有坡道.With the on - ramps, it all totals two and a half miles.包括上面的斜...
Paul asked Tara out to dinner but she gave him the brush-off .保罗邀请塔拉外出吃饭，但遭到拒绝。These guests were given a brush off.客人们受到了冷遇.I wanted to keep in touch, but when I called him he gave me the brush-off.我想和他保持联系，但当我打电话给他时，他却不...
Cloisonne enamelware is the cream of home - made goods .景泰蓝制品, 国货 精华.Draw some pictures on the enamelware mould and bake it, then a beautiful vase will appear.在陶瓷坯胎上画些图案, 就可以烧出漂亮的花瓶啦!...