您要查找的是不是：
- double flight feed screw 双头螺旋加料器
- A feed screw extends from the base to the knee. 进给丝杠从底座伸向升降台。
- Barrier screw (also called double flight screw) is a design to increase plasticizing capacity. 屏障式(又称双螺纹)螺杆是提高塑化能力的一种螺杆设计。
- TDS7010 Screw weighing scale, Double screw with main and dribble feed screws driben by separate motors, With cut-off gate. TDS7010型绞龙式打包秤采用二台电机驱动绞龙进行大小喂料，带有截料门，对不同物料可选用调速控制。
- STUDY OF FEED SCREW & MUTI-AIM OPTIMUM DESIGN 异向回转双螺杆机构的研究及多目标优化设计
- We have to change our flight as we double - booked. 由于我们上了重复预定，不得不改变航班。
- 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。
- Look, double yellow lines you mustn't park here. 喂，这是双黄线--不能在这儿停车。
- feed screw 丝杠,进给螺杆
