... 无压管道 non-pressure pipeline 低压管道 low pressure pipeline 开槽施工 trench installation ...
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low-pressure pipeline irrigation 低压管道输水灌溉
low pressure pipeline irrigation 低压管灌
low pressure pipeline irrigation system 低压管灌系统
low pressure pipeline mathematical model 低压管路数学模型
irrigation system of low-pressure pipeline 低压管道灌溉系统
low pressure gas pipeline 低压燃气管道
Butterfly valve is also called a flap valve, is a simple structure of the regulating valve, but also can be used for low pressure pipeline medium switch control.
蝶阀又叫翻板阀，是一种结构简单的调节阀，同时也可用于低压管道介质的开关控制。
Analysis is done for sampling methods for resistance of low pressure gas pipeline through practical cases. Sampling formula is raised to make the previous method more complete and accurate.
本文通过工程实例，对低压燃气供应工程设计中阻力取值方法进行了分析探讨，提出了取值公式，使原有的方法更为完善、准确、全面。
It is installed in the low-pressure pipeline to filter solid particle and slimes in medium and effectively control cleanliness.
安装于低压管路中，滤除工作介质中的固体颗粒及胶状物质，有效控制工作介质的污染度。
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