English translation for "double current working"

双流工作制

Similar Words：

"double current simplex" English translation, "double current sounder" English translation, "double current system" English translation, "double current telegraph" English translation, "double current transmission" English translation, "double curvature" English translation, "double curvature arch" English translation, "double curvature arch bridge" English translation, "double curvature shell" English translation, "double curvature tread" English translation