This paper describes a design method of PC control system for automation line of steel pipe binding in practice.
本文通过钢管捆扎自动线的工程实践，叙述了PC控制系统的设计方法。
The design of non-dig drill pipe end-upsetting product line autocontrol system were introduced in this paper.
介绍了非开挖钻杆管端加厚生产线自动控制系统的设计。
In the planning and design of gravity water transfer system, the combined pattern of pressure free pipe and canal with pressured pipe line is sometimes adopted to carry out water transfer.
在重力输水系统的规划设计中，有时采用无压管渠与压力管道相结合的方式输水。
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