1.
Another problem can occur rarely if backflow of process gas is permitted into the secondary air feed line.
如果工艺气体回流入二段空气管线，能发生另外的很少发生的问题。
2.
A high-speed jet is formed in the bubble due to the convolution of the fluid on the boundary of the bubble.
由于在气泡边缘上流体的回旋，在气泡中形成了高速射流。
3.
Hydraulic reservoir at atmospheric pressure, with return line below fluid level and air filter.
带有回流管（低于流体水平面）和空气过滤器的液压容器。
4.
vapor over a boiling liquid is condensed and flows back into the vessel to prevent its contents from boiling dry.
气体通过沸腾的液体被压缩然后流回防止它蒸干的容器。
5.
Provide check valves. Back-pressure protection is needed to prevent damage to the regulator. Gas from a high-pressure system can flow back into the regulator.
提供止回阀。需要回压保护，以防止损坏调整器。来自高压系统的气体可能回流到调整器。
6.
gas-steam-water fluid
气-汽-水混合流体
7.
a U-shaped section of drainpipe that holds liquid and so prevents a return flow of sewer gas.
一种用来盛液体的并且用来防止污气回流的排水管的U-形部分。
8.
Present Status and Prospect of Fluid Pressure Energy Recovery in Natural Gas Transmission and Distribution
天然气输配过程流体压力能回收技术现状与展望
9.
an abnormal backward flow of body fluids.
身体液体的异常回流。
10.
air jet and fluid jet
空气射流与液体射流
11.
Analysis of the flow in return vanes of a two-stage centrifugal compressor
双级离心压气机回流器流动特点分析
12.
Use a pressure reducing regulator or separate control valve to safely discharge gas from cylinders. Use a check valve to prevent reverse flow into the cylinder.
使用减压调整器或单个的控制阀来安全地从钢瓶中排出气体。采用止回阀，防止回流入钢瓶。
13.
rotary body producer
回转炉体煤气发生炉
14.
Drag to add a hydraulic reservoir at atmospheric pressure, with return line below fluid level and air filter.
拖动后可在常压下添加带有回流管(低于流体水平面)和空气过滤器的液压容器。
15.
air is a fluid But not a liquid.
空气是流体，不是液体。
16.
Air is a fluid but it is not a liquid.
空气是流体，但不是液体。
17.
This liquid is known as the reflux.
这种液体就是回流。
18.
As liquids and gas flow, they are called fluids.
由于液体和气体能流动，因此称为流体。