angular arm变臂angularadj.有角的；消瘦的；有尖角的angular momentum of rotation地球自转角动量angular contact bali bearing角接触球轴承angular leaf spot of tobacco烟草细菌性角斑病angular contact ball bearlng角接触球轴承angular advance of eccentric[机] 偏心轮角进度angular modulation IR system角调制红外系统angular alignment protractor角度对线量角器angular contact bull bearing角面接触滚珠轴承angular spherical aberration角球差angular contact ball bearing向心推力球轴承,径向止推滚珠轴承,角接触球轴承