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- double threaded screw 双纹螺钉
- double thread screw 双头螺纹
- A device for measuring very small distances,objects,or angles,especially one based on the rotation of a finely threaded screw,as in relation to a microscope. 测微计，千分尺用以测量非常小的距离，物体或角度的仪器，尤指显微镜上利用精细螺纹的螺杆的旋转进行测量的仪器。
- A device for measuring very small distances, objects, or angles, especially one based on the rotation of a finely threaded screw, as in relation to a microscope. 测微计，千分尺用以测量非常小的距离，物体或角度的仪器，尤指显微镜上利用精细螺纹的螺杆的旋转进行测量的仪器
- 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。
- coarse pitch multiple thread screw 多头大螺距螺杆
- 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
- For strong sewing use double, not single thread. 为了缝得牢，用双线，而不要用单线。
- Keywords double thread hob;design;application; 关键词双头滚刀;设计;应用;
- Double thread -drawing procedure 双挂线对口引流术
- a threaded screw for machine parts; screws into a tapped hole 一种适用于机器部件的螺纹螺丝；可以放进塞孔的螺丝
- a threaded screw for machine parts; screws into a tapped hole. 一种适用于机器部件的螺纹螺丝；可以放进塞孔的螺丝。
- 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。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
