在燃气管道设计中对管道转角的处理，可以采用机制弯管、热煨弯头、冷弯弯管、弹性敷设。
The mechanical elbow, hot-bending bend, cold-bending bend and elastic installation can be used to handle pipeline corners in design of gas pipeline.
通过三类弯管形式压损试验，发现了短半径弯头在一个较大料气输送比范围内均产生最小压损；
By means of the pressure loss in three kinds of bend configuration. it is found out that the short radius elbows appear to yield the lowest pressure loss in a wide range of mass over air ratio.
我们常用弯头（弯管、法兰、三通、大小关）作为一种管件。
We usually use elbow( bend, flange, tee, reducer) as a kind of pipe fitting.
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