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- double helical spur wheel 人字齿轮
- double helical spur gear 人字齿轮, 双螺旋齿轮
- 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。
- 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)。
- Gear drawing standards - Part 1: For Spur, helical, double helical and rack 齿轮制图标准。第1部分:正齿。螺旋齿。双螺旋齿和齿条
- In the special fields Wheel drive, Wheel, Gear box construction with spiral technology or beyond that with Hypoid, Cone, Spur wheel as well as with Gears, Spiral cones and/or with Bevel gear and Cogged wheels and gears is GRAESSNER GMBH well-known. GRAESSNER GMBH是一家现代化的、可靠的专门产品供应商,这家供应商从事传动、传动齿轮箱,锥体、圆锥、弹头,锥齿轮,锥齿轮,锥齿轮驱动,锥形圆柱齿轮,轮、叶轮、齿轮,齿轮,齿轮传动,螺旋锥,曲线齿锥齿轮传动箱,圆柱齿轮,齿轮和传动结构的制造、销售。
- double helical gear milling machine 人字齿轮铣齿机
- double helical double-reduction unit 两级人字齿轮减速器
- double helical double reduction unit 两级人字齿轮减速器
- double helical ribbon and screw impeller 双螺带-螺杆搅拌桨
- double heical spur wheel [化] 人字齿轮
- double helical (spur) gear 双螺旋齿轮,人字齿轮
- Pilot-scale Study on Swirling Flow by Double Helical Inlets 双进口涡向起旋流场实验研究
- double helical ( spur ) gear 人字齿轮, 双螺旋齿轮
- 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。
- helical spur gear 斜齿正齿轮
- 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。