第一: first; primary; foremost; fi ...层: I storey; tier; stratum帘布: cord fabric第一层帘线裂缝: cord split in first ply第一层帘线弯曲: crooked cords on first ply顶层帘布: top ply里层帘布: inside casing ply; inside ply多层帘布轮胎: multi-bandage tire减层帘布轮胎: lesser-ply tire第一层: first story; first tier; ground floor; the first floor双层帘布缓冲层: double cord breaker四层帘布层轮胎: four-ply tyre第一帘布筒: first bandage塔式八层帘布供料架: eight ply stock turret地下第一层: basement first第一层焊: root run第一层焊道: root pass第一层能力: level i ability第一层漆: first coat第一层网关: l1gw level-gateway第一层职位: tier i post第一层锥面: first layer cone第一层中间辊: first intermediate rolls调入到第一层: test.swf第一层次的变革: first order change; order change