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- Using double thread volume hook for model L819-X2,it increases periodicity by reducuing the time for refilling new thread. X2机型采用两倍梭头，减少更换梭线时间，提高生产效率。
- It is suitable for double thread lockstitch sewing of light or medium weight material . 适用于薄料、中厚度料的双线锁式线缝缝纫。
- Model GK8-24 double-needle four-thread bag sewing closer adapted two paralleled double thread chain stitch with auto-cut system. 塑袋重型自动热封机，可同时缝制两条平行的双线链式线迹，具有更佳的密封性。
- double thread shoe border stitcher 双线鞋沿缝合机
- Method for turning of the double thread 双线螺纹的车削方法
- Keywords double thread hob;design;application; 关键词双头滚刀;设计;应用;
- For strong sewing use double, not single thread. 为了缝得牢，用双线，而不要用单线。
- Double thread -drawing procedure 双挂线对口引流术
- Free coring tools ensure quick connection and installation, the product is used in aluminum pipe and vertical wrapped cable, its inner and outer conductors are locked tightly by double threads. 主要用于有线电视干线或分支线网络传输。免掏空工具，可实现快速装接，用于铝管及纵包电缆，内外导体双螺纹锁紧。
- 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。
