radial gap径向间隙radialadj.光线的；光线状的；放射状的n.放射状部分；桡骨神经 (或动脉)n.子午线轮胎radial runout of spindle assembly主轴组件径向跳动radial drilling-milling machine摇臂钻铣床radial bearing with aligning ring排列环径向轴承radial Bearing and thrust Bearing横力轴承与推力轴承radial power distribution network辐射型配电网radial lateral ligament of carpus腕桡侧副韧带radial multiple-piston type pump径向多活塞式泵radial multiplepiston type of pump径向多活塞式泵radial heat-transfer coefficient径向传热系数radial arm Brinell hardness tester摇臂布氏硬度试验机