English translation for "provingofopeningofswitch(point)machine"

查证转辙器张开状态

Similar Words：

"proving trial" English translation, "proving well" English translation, "proving-ground facilities" English translation, "proving-ground facility" English translation, "provingground" English translation, "provingroad" English translation, "provini" English translation, "provino" English translation, "provins" English translation, "provins moss rose" English translation