单词	P-R指数
释义	P-R指数医P-R index
随便看	circular pieces circular pier circular pier guide wall circular pierhead Circular pilot sequence circular pin circular pin plug circular pipe circular pipe cavity mushroom floor circular pipe culvert circular pipeline circular piston circular piston source circular pit circular pitch circular-pitch circular pitch error circular pitch measurement circular plain bearing circular planar array circular plane circular planes circular planing circular planing attachment circular planting