SCREW, TAPPING, THREAD CUTTING, TYPE BF OR BT, PAN HEAD, CROSS-RECESSED, CARBON STEEL
出版:Aerospace Industries Association
专家解读视频
SCREW, TAPPING, THREAD CUTTING, TYPE BF OR BT, PAN HEAD, CROSS-RECESSED, CARBON STEEL
出版:Aerospace Industries Association
专家解读视频