Roddn.罗德
rodn.杆;棍棒;竿
rod pumping well抽油机井
rod stuffing box钻杆填料函
rod transmission杆传动
rod-frame test棒框测验
rod end pressure活塞杆端压力
rod monochromasy视杆全色盲
Rodion Gataullin加陶林
rod end coupling活塞杆端连接件
rod straightener[机] 杆条矫直机
Rodman operation罗德曼手术