cross helical gear
螺旋齿轮, 交错斜齿轮
helical accelerator.
螺旋加速器
helical beam antenna
螺旋型定向天线
helical gear cutting
螺旋齿轮切齿法
helical deformation.
螺旋状形变
Ball helical gearing.
滚珠螺旋传动
helical entry cyclone
螺旋进入式旋风分离器
cycloidal helical motion
摆线螺旋运动
helical carbon nanofiber.
螺旋碳纤维
double helical spur gear.
人字正齿轮
modified.helical cylinder gear.
变位斜齿轮
Cold coiled helical tension spring
冷锻成型拉伸卷簧
Helical orbit beta ray spectrometer
螺旋形轨道谱仪
The polynucleotide chain is helical.
多核苷酸键是螺旋形的。
Helical Gear Transmission with Skew Axes
交错轴斜齿轮传动机构
Noise and Life of Helical Timing Belt Drives
斜齿正时皮带传动的噪音和寿命
Helical Structure Resulting in Optical Activity
螺旋结构导致旋光性
fully constant mesh all helical gear transmissio
全斜齿常啮式变速器
Helical circular mixture, fast and uniform stirring.
螺旋迴圈搅拌使得原料混合更加均匀，快速。
Helical Measuring Technology Based on Open Loop Control
基于开环控制的螺旋面的测量技术
Addendum modification of external spur and helical gears
外啮合圆柱齿轮的齿顶高
Helical Blade Compressor and Its Force Analysis on Blade
螺旋叶片式压缩机叶片受力分析
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。
Closed Surface Modeling with Helical Line Measurement Data
类螺旋特征测点数据的闭曲面建模方法研究
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