This paper introduces a way of simple place signal communication. The way is proved to be effective by practice. It has the high practical value at present condition of the PLC USES.
本文介绍了一种简易位信号通讯方式，通过实际应用效果理想，它在目前PLC应用现状下有较高的实用价值。
Conclusions may be of very high practical value in design and construction of soil nailing.
研究结论对土钉支护的设计和施工具有较高的应用价值。
Conclusions may be of very high practical value in design and construction of soil nailing.
研究结论对土钉支护的设计和施工具有较高的应用价值。
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