gear pitch measuring instrument 齿轮节距测量仪
airscrew pitch measuring 螺旋桨距测量
gear base pitch measuring instrument 齿轮基节测量仪
Gear circular pitch measuring instrument 齿轮齿距测量仪
pitch-measuring equipment 螺距量测设备式
measuring chain pitch 测量链条节距
gear pitch measuring i trument 齿轮节距测量仪
For example, by measuring the basic pitch, you measure the density of the universe.
例如，通过测量基本音高来测量宇宙的密度。
This article clears the measuring coupling relationship between horizontal azimuth and pitch angles by detailed mathematical deduction.
本文通过详细的数学推演，厘清了水平方位角与俯仰角测量耦合的关系。
In this paper, the measuring of the main parameters as slub length, slub multiple and slub pitch and their imitative design method are described.
摘要介绍了竹节纱竹节长度、粗度、竹节间距等主要规格参数的测定与仿样设计方法。
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