介绍了一种新型双线制医用呼叫系统的实现原理。
This paper introduces the principle of a new kind of calling system used in hospital in detail.
本实用新型测量结果漂移小，准确度高、寿命长，而且为双线制。
The utility model has the advantages of little drift for measurement results, high accuracy and long service life, and the utility model is a two-wire system.
论述了提高矿井提升安全的智能双线制安全控制原则，针对目前煤矿提升安全现状，提出了用PLC实现提升机智能双线控制技术的方法。
This paper discussed the rule for improving safety of mine winder with double-line system, and gave the way to accomplish it based on PLC technique fitting for the real safety status.
该机可进行双线、三线多线并绕或扁铜线绕制，使电压互感器二次线圈采用机械绕制的问题得到彻底解决。
The machine can perform two-wire, three-wire and multi-wire parallel winding or flat copper wire winding to completely resolve the mechanical winding of voltage transformer secondary coils.
该机可进行双线、三线多线并绕或扁铜线绕制，使电压互感器二次线圈采用机械绕制的问题得到彻底解决。
The machine can perform two-wire, three-wire and multi-wire parallel winding or flat copper wire winding to completely resolve the mechanical winding of voltage transformer secondary coils.
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