On-load tap-changer is a main device of on-load automatic voltage regulation transformer with.

有载调压分接开关是有载自动调压变压器的的主要装置。

youdao

On-load tap-changer is a main device of on-load automatic voltage regulation transformer with.

有载调压分接开关是有载自动调压变压器的的主要装置。

youdao