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- double helical spring 复式弹簧
- The helical spring can no longer be used. 盘簧不能再用了。
- Double helical structure of DNA and types of DNA helices. 去氧核糖核酸的双螺旋结构与其类别。
- W is attached to a bar, movable vertically around an axis A and suspended by the helical spring F. 摆锤W装在一根杆上，在轴A周围垂直移动，它由螺旋弹簧F所悬挂。
- We also demonstrated that a DX molecule containing another small double helical region (called a DX + J molecule) is very stiff. 我们也证实，DX分子外加其他双股螺旋小片段所形成的DX+J分子也一样坚固。
- Using 2-aminopyridine as an organic ligand and a structure-directing agent, we have synthesized a new zinc phosphite (C5H6N2)Zn(HPO3) containing double helical chains. 我们以2-氨基吡啶为结构导向剂和配体分子，合成了一种新颖的具有双螺旋链的亚磷酸锌层状化合物(C5H6N2)Zn(HPO3)。
- Helical spring mass system (HSMS) is widely used in almost all of mechanical and electrical products due to its structure feature and elastic buffer ability. 螺旋弹簧质量系统由于其结构特点及其缓冲作用在几乎所有机电设备和系统中都有广泛的应用。
- The French vehicle's chassis design always very much loses face, stems from the Citroen 2nd platform the world fine, suspension system after common Mai Xun, helical spring torsion Liang. 法国车的底盘设计一向很出彩，出自雪铁龙2号平台的世嘉，悬挂系统为常见的前麦弗逊、后螺旋弹簧扭力梁。
- double helical gear milling machine 人字齿轮铣齿机
- Nonlinear theory of conical helical spring 圆锥螺旋弹簧的非线性理论研究
- double helical double-reduction unit 两级人字齿轮减速器
- Variable pitch cylindrically helical spring 不等节距圆柱螺旋弹簧
- double helical double reduction unit 两级人字齿轮减速器
- In the present paper the dynamic characteristics of helical springs subjected to a reciprocating motion is investigated theoretically ard experimentally. 本文对承受反复运动的螺旋弹簧的动态特性进行了分析与试验。
- double helical ribbon and screw impeller 双螺带-螺杆搅拌桨
- Multi-stranded wire helical spring 多股螺旋弹簧
- a balance that measure weight by the tension on a helical spring. 在螺旋状的弹簧上依靠拉力称物体重量的秤。
- Pilot-scale Study on Swirling Flow by Double Helical Inlets 双进口涡向起旋流场实验研究
- a balance that measure weight by the tension on a helical spring 在螺旋状的弹簧上依靠拉力称物体重量的秤
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
