English translation for "drill layers"

钻孔位置层

Similar Words：

"drill jumbo with 2 booms" English translation, "drill key" English translation, "drill key chuck" English translation, "drill ladder" English translation, "drill lathe" English translation, "drill line" English translation, "drill lip angle" English translation, "drill lip clearance" English translation, "drill log" English translation, "drill machine" English translation