Selenium drum chip 硒鼓芯片
Wholesales each series selenium drum chip, excellent in quality and reasonable in price.
批发各系列硒鼓芯片，物美价廉。
This paper describes the composition, the principle, the design method and the performance analysis of a single chip microcomputer-based system for automatic vertical guidance of ranging drum shearer.
本文阐述利用单片微型机控制的采煤机滚筒自动垂直导向系统的组成、工作原理、设计方法和性能分析。
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