您要查找的是不是：
- Show double bend back bow, split reed, single bend vertical reed, double bend vertical reed and practice double bend labium bow? 示教双曲后弓、分裂簧、单曲纵簧、双曲纵费并练习弯制双曲唇弓。
- This paper discuss the characteristics of movement and force of lobe universal shaft, analyzes the strength of lobe teeth, and presents the calculation equation for bore shift for various structure of both single bent housing and double bent housing. 文中阐述了瓣型万向轴的运动与受力特征，对瓣齿进行了强度分析，并给出了单弯壳体与反向双弯壳体不同结构形式下的内孔偏移量计算公式。
- I had to bend double to get under the table. 我必须弓着身子才能钻到桌子底下。
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- Study on the Double Bending Model Based Elliptic Ultrasonic Vibration System under Single Excitement 双弯曲型单激励超声椭圆振动系统研究
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- In this case, I can double for penalty. 假如这样的话，我可以叫加倍了。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗？
- The soldiers came at the double. 士兵们是急行军来的。
- A couch performs a double service. 躺椅有双重的服务。
- Look, double yellow lines you mustn't park here. 喂，这是双黄线--不能在这儿停车。
- Please double up the chair and put it aside. 请把椅子折起来放在一边。
- For strong sewing use double, not single thread. 为了缝得牢，用双线，而不要用单线。
- Do you want a single room or a double room? 您要单人房还是双人房？
