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。
The OPC drum is Japan, Germany by origin, Fuser Fixing Film comes from Japan, Chip is imported from U. s. A. quality and price is quite competitive among the same products.
OPC鼓的原产地为日本、德国，定影膜的原产地为日本，芯片的原产地为美国，质量、价格在同类产品中具有竞争性。
The OPC drum is Japan, Germany by origin, Fuser Fixing Film comes from Japan, Chip is imported from U. s. A. quality and price is quite competitive among the same products.
OPC鼓的原产地为日本、德国，定影膜的原产地为日本，芯片的原产地为美国，质量、价格在同类产品中具有竞争性。
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