... 联络干线 interconnecting main 练习线路 drill circuit 链路级通信协议 link level communication protocol ...
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The problems in leakage protection and executive circuit of synthetical protection set in coal electric drill have been analyzed and calculated.
通过分析和计算说明老式煤电钻综合保护装置在漏电保护和执行电路中存在的问题。
Finish the pneumatic design of all the functions of hill-drop drill, and produce the pneumatic circuit drawings.
对气动部分的各种功能进行了设计，并绘制出气动回路图。
Ring-Mounting machine is mainly used for mounting the reference-positioning ring to the tool and removing the ring from it on numerical controlled drill, fraise machine for etched circuit card.
装圈机主要用于印制电路板数控钻床，铣床加工刀具装上，卸下基准定位环只用。
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