English translation for "换级开关"

pole changer

Similar Words：

"换极器" English translation, "换极式" English translation, "换极式交流发电机" English translation, "换级比" English translation, "换级触点步进触点" English translation, "换季" English translation, "换季，过时" English translation, "换季工作" English translation, "换尖式松土铲" English translation, "换件" English translation