您要查找的是不是：
- lifting device for sewage 污水提升装置
- A sort of lifting device for generator stator 一种发电机定子提升装置
- A Lift Device for the Pole Test of a Radio Fuze 一种无线电引信杆试验升降装置
- This is a device for squaring the circle. 这是一个不可能实现的方案。
- The lifting device is a system of rope and pulley. 这种起重装置是由缆索和滑轮组成的。
- A device for equalizing pressure or strain. 均衡器用来使电压或电流保持平稳的设备
- A device for indicating wind direction. 风标用来显示风向的设施
- A machine or device for separating cream from milk. 乳脂分离器一种把乳脂从牛奶中分离出来的器具
- A device for igniting the charge of a firearm. 枪机一种用来点燃火器中火药的装置
- Application on Liquid Reversing Sealing Device for Sewage Pump in Oilfield 流体反输型密封在污水泵上的应用
- All types of ships conveying for sewage and wasteoil. 各型船中，输送舱底污水、废油。
- They use television advertising as a device for stimulating demand. 他们利用电视广告作为刺激需求的方法。
- The lifting device is a system of ropes and pulleys. 这种起重装置是由缆索和滑轮组成的.
- Dedicated self-locking lifting device for the center plate of freight car 自锁式货车心盘专用吊具
- A device for projecting sound waves, as in a loudspeaker. 角状扩音器一种用来产生声波的装置，如扬声器
- A device for guiding a tool or for holding machine work in place. 夹具，装配架导引工具或使机器固定在适当位置上运转的设备
- Reducers, brakes and other lifting devices. 减速器、制动器等起升装置。
- A mechanical device for lighting a cigarette, cigar, or pipe. 打火机点燃香烟、雪茄和烟斗的机械装置
- A toothed device for crushing and beating flax or hemp. 剥麻机挤榨和打碎亚麻或大麻的具齿装置
- Optional components: lifting device, project strobes, as well as lighting. 选用件：起重作业装置，工程频闪灯，照明灯等均可。
