Railway rolling stock materials - specification for forged and rolled wheel centres 铁路车辆材料.第2部分:锻造和轧制轮体规范
When the riders sit in the cars , the wheel rotates up and around in a big circle 当乘客坐进座舱后,轮体便向上绕行,进行大圈旋转。
Plain tracer : with plastic or natural wood handle ; metal saw tooth and economical using 金属齿式描线轮:塑柄或原色木柄,轮体部分为金属锯齿,经济实用。
Influences on host plant cell pathology by tumv infection tumv particles were scattered in cytoplasm area of diseased cells separately or in bundles . the pinwheels , scrolls and laminated aggregates , which were the cross sections of cylindrical inclusion bodies , were observed under transmission electron microscope . meanwhile , pathological changes of diseased chloroplasts " morphology and structure took place Tumv侵染寄主的细胞病理学特征利用透射电镜观察接种寄主细胞的超薄切片,分离自杭州榨菜上的tumv分离物jc - 1在青菜和芥菜的细胞质中病毒粒子分散或成束分布;细胞质中存在不同形态的柱状内含体,分别为风轮体、卷筒体、片层聚集体;同时,叶绿体发生了形态和结构上的改变。
体: body; part of the body齿轮体: gear mass转轮体: rotor hub; runner boss离合器轮体: clutch hub铸钢轮体: cast steel wheel centre钻头牙轮体: cutter shell航空轮体内原: inner tube for pneumatic tyre of aircraft轮体扣紧螺母: wheel retaining nut轮踢: round kick轮替动作: alternate motion轮套筒: wheel sleeve轮替计画: rotation plan轮套: nave轮替计划: rotation plan轮台县: luntai county轮替模式: fifo轮台东门送君去: i saw you off at the east gate of luntai