Within the family, small diameter pipes, but also low pressure, see flange connection.
在家庭内，管道直径小，而且是低压，看不见法兰连接。
Vibrating in the wind, the bristles create some drag. But they also reduce the wing's slipstream, an area of low-pressure turbulence that pulls back on the wing, and hence reduce drag.
风中振动时，刷毛会产生反作用力，但同时它也可以减少机翼滑流，产生一个低气压乱流，机翼上形成回力，因而减小阻力。
The new type dryer is characterized not only by simple and light structure, low pressure drop and uniform drying, but also by obvious energy saving.
与原有干燥机相比，其具有结构简单、质量轻、床层压降小、干燥均匀等优点，而且节能优势明显。
The design of the system is mainly for the steel of low-temperature pressure vessel, which can not only design in welding procedures but also in combined welding means.
该专家系统主要是针对低温容器用钢而进行的焊接工艺设计，不仅可以进行单一焊接方法的工艺设计，而且可以进行组合焊接方法的工艺设计。
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。
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。
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