Eccentric reducers shall be used when necessary to increase or decrease the line size at the suction to all pumps, install flat side on top.
当需要增大或者减小所有泵吸入口处的管道尺寸，平面一侧朝上安装时，应使用偏心异径管。
Eccentric reducers shall be used when necessary to increase or decrease the line size at the suction to all pumps, install flat side on top.
当需要增大或者减小所有泵吸入口处的管道尺寸，平面一侧朝上安装时，应使用偏心异径管。
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