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1·Concrete mixing and unloading mainly depend on the two spiral mixing leaves, so the design of the helical mixing blades is particularly important.

混凝土的搅拌和卸载主要依靠两个螺旋搅拌叶片，因此螺旋搅拌叶片的设计尤为重要。

2·The milling machine is often employed to cut spur and helical gears.

介绍了旋片铣削工作原理及其铣刀设计。

3·It shows the useful value of CFD to diesel helical intake port evaluation.

指出了CFD在评价柴油机螺旋进气道性能中的实用价值。

4·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。

5·Alpha helices in biological materials, and design of alpha-helical structures.

在生物材料中的阿尔发螺旋，以及阿尔发螺旋结构的设计。

6·Deformation of helical buckling appeared on rod during down stroke is also analyzed.

同时分析了下冲程抽油杆所产生的螺旋弯曲变形。

7·The thrust problem can be overcome by cutting two sets of opposed helical teeth on the same blank.

推力问题，是可以克服的，由切割两套反对的螺旋齿就同一空白。

8·Then the dynamic stability of the helical equilibrium depends on the eigenvalues in the time domain.

则螺旋线平衡的动态稳定性由时间域的本征值判断。

9·In truth, Dr Watson, co-discoverer of the double-helical structure of DNA back in the 1950s, had a point.

事实上，在1950年当沃森博士合作发现DNA的双螺旋结构的时候，他的断言的确有一定的道理。

10·The Gorlov Helical Turbine, as it is known, allows you to use any stream, whatever the direction of its flow.

这个名为佐罗夫螺旋涡轮机的设备可以利用任何水流，不管流向如何。

(1)helical gear斜齿轮

(1)helical spring螺旋弹簧

(1)helical blade螺旋叶片

(1)helical surface螺旋面

(1)helical curve螺旋形曲线

(1)helical line螺旋线