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- The base line can be set out as a single or double chain. 基线可作为一条单链系或双链系。
- GK8-2 double chain architrave, stuff feeding, for knitting paper bags and plastic knitting bags use. 2双线链式线迹，单压脚，复式送料杆，配有抬压脚杠杆，供化工厂、水泥厂等缝制纸袋、塑料编辑袋用。
- Power roller sprocket drive single, double chain, O-belt, high-speed form of flat belt. 动力辊筒驱动方式有单链轮、双链轮、O型皮带、高速平面传动带等形式。
- Methods Antinuclear antibody (ANA)and anti double chain DNA antibody (A dsDNA) were tested by indirect radiant antibody. 方法 抗核抗体(ANA)、抗双链DNA抗体 (A -dsDNA)测定用间接荧光抗体法 ;
- Sea water filter , single chain oil colander, double chain oil colander, mud box, deck control unit, marine wall vent cover arrangement,etc. series productions. 吸入粗水滤器、单联油滤器、双联油滤器、泥箱、甲板操纵装置、通风百叶窗等系列产品。
- On the very night before Herod was to bring him to trial, Peter was sleeping between two soldiers, bound by a double chain, while guards kept watch at the gate of the prison. 及至黑落德将要提出他的时候，那一夜伯多禄被两道锁链缚著，睡在两个士兵中，门前还有卫兵把守监狱。
- Amphiboles are related to the pyroxenes, forming double chains, again being held together by cations. 角闪石类与辉石类有关,构成双链,也是被阳离子联系在一起的。
- Amphiboles are related to the pyroxenes, forming double chains , again being held together by cations. 角闪石类与辉石类有关，构成双链，也是被阳离子联系在一起的。
- needle double chain stitch ruffling machine 双线链式褶边缝纫机
- needle double chain stitch shirring machine 双线链式缝抽摺缝纫机
- THREAD DOUBLE CHAIN BAG CLOSER MACHINE 线链式封袋口机
- DOUBLE CHAIN STITCH COMPUTERIZED QUILTING MACHINE 无梭绗缝机
- 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。
