It is used with single line and double line system by piping line.
它是用单线及双线系统管道路线。
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.
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 studies the characteristic parameters of the engine mounting system and puts forward a method of employing the double-line cushion material for the engine mounting system.
对悬置系统特征参数进行研究，并提出采用双直线型缓冲材料作为汽车发动机悬置系统的方法。
Based on the research of the connection relationships among the tunnels, this paper presents a new rapid automatic rendering model of ventilation system double-line graphics.
笔者在深入研究通风网络巷道连接关系的基础上，提出一种新的通风系统双线图快速自动绘制模型。
Based on the analysis of conventional off line calibration tools, a new online calibration system with "double database range" has been developed, which is composed of the following three parts.
分析了现有离线标定系统的不足，提出“双数据区”实现在线标定的设计方案，并进行了标定系统软件开发。
In this paper the distortion of image collimating system is analyzed, and then an on-line self-calibration method with double-frequency laser length measuring result as length datum is presented.
通过对图像瞄准系统中的畸变分析，提出以激光长度测量值作为长度基准的成像系统在线自标定方法。
The communication system model is set up with MSK and double-pathway spread spectrum for low voltage power line.
基于该模型，研制了低压电力线的MSK双路扩谱通信电路系统。
The communication system model is set up with MSK and double-pathway spread spectrum for low voltage power line.
基于该模型，研制了低压电力线的MSK双路扩谱通信电路系统。
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