It is the difference between theoretical normal pitch and its actual measured value. The major element to influence the pitch errors is the runout of gear flank groove.
推测的法向周节与实际测量值不同。影响周节错误的最主要因素是齿轮侧面有凹槽。
Pyrolysis process of the modified coal tar pitch is studied using FT IR and element analysis, respectively.
采用FT- IR和元素分析研究改性煤沥青的热解过程。
Based on the traditional Momentum-Blade Element theory, an improved method of aerodynamic calculation about the horizontal axis wind turbine in yaw or in pitch-up is presented in this paper.
本文将动量-叶素理论推广应用于计算水平轴风车叶轮有侧偏角或上仰角时的气动力。
The multichannel optical communication module includes: a board, and a signal-converting element having optical-action points aligned with a first pitch to emit and receive signal light.
该多通道光通信模块包括：基板；和信号转换元件，其具有以预定的第一间距排列的、用于发射和接收信号光的多个光作用点。
The multichannel optical communication module includes: a board, and a signal-converting element having optical-action points aligned with a first pitch to emit and receive signal light.
该多通道光通信模块包括：基板；和信号转换元件，其具有以预定的第一间距排列的、用于发射和接收信号光的多个光作用点。
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