1)Pitch Circle Diameter,节圆直径2)pitch circle diameter,节距圆直径3)pitch diameter of ball set,球组的节圆直径4)pitch diameter gauge,节圆直径量规5)diameter of pitch circle of driving hole,传动孔节圆直径6)pitch diameter of worm,蜗杆节圆直径
用法和例句
The Wheel PCD(Pitch Circle Diameter) is the diameter of the studs from the centre of the wheel.
