像许多别的东西一样, 旋翼机也有多种分类.Like most things, there are a variety of classes for rotary - wing aircraft.松雀鹰旋翼机的印刷及影视介绍.Print and recorded promotional materials of SparrowHawk APV Gyroplanes.采用自适应神经网络控制方法,设计出倾转旋翼机模拟平台姿态角控制器.An a...
However, The CTC as a byproduct in the production of chloromethane is about 3 ~5 %.然而在甲烷氯化物的生产过程中, 不可避免地要有3-5%左右的副产物四氯化碳生成.There's also dioxin, a byproduct of paper manufacture and waste incineration.还有二恶英, 纸生产和废物燃烧...