【电学】开关中心的选择器框架或支架

producing SPECTACLE(S) frames from plastics or substances in a plastic state

STEERING of vehicles in tandem or having pivoting frames

rolls, holding devices, stand frames

cultivation of vegetables in receptacles, forcing-frames,

making for hat-frames

frames or racks for RELAY(S) in switching centres

method of moving frames【计】

frames for assemblies of two or more reels