凡带有载开关运输的，应将开关油室用U 形管与本体连通。

If transported with on-load tap changer, the tap changer compartment shall be connected with main body by U-shaped tube.

youdao

凡带有载开关运输的，应将开关油室用U 形管与本体连通。

If transported with on-load tap changer, the tap changer compartment shall be connected with main body by U-shaped tube.

youdao