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.
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；
During installation, they found the device and 3 meters wide, while only 4.8 meters wide, Lane 330, this basic position perpendicular to the roadway, facing 90-degree bend problem.
在安装过程中，他们发现该设备宽3米，而330巷宽只有4.8米，这样基础位置垂直于该巷道，面临90度转弯的难题。
During installation, they found the device and 3 meters wide, while only 4.8 meters wide, Lane 330, this basic position perpendicular to the roadway, facing 90-degree bend problem.
在安装过程中，他们发现该设备宽3米，而330巷宽只有4.8米，这样基础位置垂直于该巷道，面临90度转弯的难题。
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