The quality of transfer switch has crucial effect on the safe operation of on-load voltage regulation switch.

切换开关质量的好坏对能否保证有载调压开关的安全运行起着决定性的作用。

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The quality of transfer switch has crucial effect on the safe operation of on-load voltage regulation switch.

切换开关质量的好坏对能否保证有载调压开关的安全运行起着决定性的作用。

youdao