producing SPECTACLE(S) frames from plastics or substances in a plastic state
【电学】转换中心中级器的框架
frames or racks for RELAY(S) in switching centres
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相关词条
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
method of moving frames【计】
frames for assemblies of two or more reels
making wooden frames of tennis RACKETS