您要查找的是不是：
- switching device for main and standby power sources 主備電源轉換裝置
- A digital switching device in telecommunications for routing lines. 電訊中用於線路路由的數字交換裝置。
- This is a device for squaring the circle. 這是一個不可能實現的方案。
- A device for equalizing pressure or strain. 均衡器用來使電壓或電流保持平穩的設備
- A device for indicating wind direction. 風標用來顯示風向的設施
- A machine or device for separating cream from milk. 乳脂分離器一種把乳脂從牛奶中分離出來的器具
- Switching Device for Sharing One Delayer by Two Broadcast Hotlines 兩套廣播熱線電話節目共用一台延時器的切換裝置
- A device for igniting the charge of a firearm. 槍機一種用來點燃火器中火藥的裝置
- They use television advertising as a device for stimulating demand. 他們利用電視廣告作為刺激需求的方法。
- Automatic dehydrating switch device. 脫水自動切換裝置。
- A device for projecting sound waves, as in a loudspeaker. 角狀擴音器一種用來產生聲波的裝置，如揚聲器
- A device for guiding a tool or for holding machine work in place. 夾具，裝配架導引工具或使機器固定在適當位置上運轉的設備
- A mechanical device for lighting a cigarette, cigar, or pipe. 打火機點燃香煙、雪茄和煙斗的機械裝置
- A toothed device for crushing and beating flax or hemp. 剝麻機擠榨和打碎亞麻或大麻的具齒裝置
- A device for measuring the head. 頭測量器測量頭顱的儀器
- Application and Analysis of Live Working Switching Device for Multi-transformation Ratio Current Transformer 多變比電流互感器帶電倒換裝置的應用分析
- A device for measuring the speed of sound in water. 速度計，速度表用於測量聲音在水中的速度的儀器
- Molecular Visualization Exercises For Modules 1-3. 單元1-3之分子視覺化練習。
- Several Design Techniques of Microcomputer-Based Switching Device for Auxiliary Power 微機型廠用電切換裝置設計的若干技術
- A device for applying a lubricant. 潤滑器由於加潤滑劑的器具
