您要查找的是不是：
- double section lifter 双头切割提取器
- Impeller of model BF floation cell is composed of the dosed double section cones and ot can produce strong slutty cycle doumward. BF型浮选机叶轮是由闭式双截锥体组成，可产生强的矿浆下循环，其特点：（1）、吸气量大，功耗低。
- The two side sections slide open to reveal a retractable storage space with drop front, and a third section lifts to reveal a bevelled mirrored reverse. 双方部分幻灯片开放，呈现出可伸缩的存储空间与前下降，第三部分升降机揭示了斜切镜像扭转。
- 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。
- 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。
- section Lifter [医] 移片铲
- 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。
- Born's section lifter 博恩(氏)切割提取器
- For strong sewing use double, not single thread. 为了缝得牢，用双线，而不要用单线。
