- 相关词组
- planetary gear drive mechanism行星齿轮传动机构
- planetary gear mechanism行星齿轮传动机构
- pipe communication mechanism管道通信机制
- planar motion mechanism平面运动机构
- planar cam mechanism平面凸轮机构
- pin-hole type out-put mechanism销孔输出机构
- planar linkage mechanism平面连杆机构
- pipeline start up by preheating预热启动
- planar pivot four-bar mechanism平面铰链四杆机构
- plane-tary gear drive mechanism with small teeth difference少齿差行星齿轮传动机构
- planar motion mechanism test平面运动机构试验
- planetary traversing mechanism行星齿轮转向机构
- piston mechanism活塞(连杆)机构
- pile by percussion drill method冲孔成桩法
- planar mechanism平面机构
- pile driving method by hammer锤击沉桩法
- plane mechanism平面机构
- plane four bar mechanism平面四杆机构
- planet fly by mission绕行星飞行任务
- piling-up batch by batch分批堆垛
- 今日热词
- 热门搜索
- whiplash n.鞭子的皮条，鞭绳;
- flow vi.流;垂;流出;（谈话、文体等）流畅;n.流动;滔滔不绝;涨潮;连贯;
- fabric n.织物;布;构造;（建筑物的）结构（如墙、地面、屋顶）：质地;
- cassette n.盒式录音带;摄影胶卷暗匣，弹夹;珠宝箱，宝匣;
- When You Are Old 当你老的时候;当你老了;当你老去时;当你年老时
- listen to this 听这个;听听这个;
- presentation n.授予;提出…的方式;颁奖仪式;介绍;表演;胎儿产式;
- the rain 雨;下雨;雨滴
- neck n.颈，脖子;衣领;海峡;[地]岩颈;vi.搂着脖子亲吻，相拥互吻;变狭窄;
- message n.音信;信息;电邮;要旨;购物;v.给…发消息;
- fortnight n.两星期，十四天;
- hero n.男主角;英雄;偶像;
