English translation for "provingground"

试验场

Similar Words：

"proving time" English translation, "proving trial" English translation, "proving well" English translation, "proving-ground facilities" English translation, "proving-ground facility" English translation, "provingofopeningofswitch(point)machine" English translation, "provingroad" English translation, "provini" English translation, "provino" English translation, "provins" English translation