- 相关词组
- plain journal bearing inside diameter滑动轴承孔径
- pit-limit stripping ratio境界剥采比
- pitch diameter ratio螺距直径比
- picture-to-sound ratio图像-伴音-载波振幅比
- pitch ratio螺距比
- pitch diameter gauge节圆直径量规
- pitch diameter of ball set球组的节圆直径
- point diameter前端直径
- plasticity ratio塑性比
- plant nutrients ratio植物养分比例
- pitch diameter of roller set滚子组的节圆直径
- pitch diameter层心直径,(齿轮的)节径,(螺纹的)中径
- pinion ratio传动齿轮比
- pitch diameter of thread螺纹中径
- pipe diameter管径
- pitch-chord ratio节弦比
- piston diameter活塞直径
- plastic strain ratio塑性应变比
- piston diameter at ring lands活塞环处的活塞直径
- pluviothermic ratio雨温比
- 今日热词
- 热门搜索
- Mr. n.先生;
- thirty n.三十;三十个;三十年代;三十的记号;num.三十;三十个;
- shallow adj.浅的;肤浅的;（呼吸）浅的，弱的;
- wrist n.手腕;腕关节;
- hearthstone n.炉底石，家庭，砌炉的石块;
- step n.步;步骤;一步(的距离);台阶;步伐;舞步;脚步声;迈步;步态;折梯;音级;踏板操vi.迈步;踩;踏;行走;
- youth n.青（少）年时期;青年;青春;年轻;朝气;小伙子;（统称）年轻人;青年男子;
- considerate adj.考虑周到的;体贴的;
- especially adv. 尤其地;主要地，格外地;显著地;异常地;特别地;
- election n.选举，当选;选举权;[神]神的选择;
- need v.需要;有必要;modal. 需要;
- night-club 夜总会
