词汇	metal upper
释义	metal upper 上下轴承
随便看	carbonarc lamp carbon arc lamp carbon arc-lamp carbon-arc lamp carbon arc lamps carbon arc motion picture projector carbon arcs carbon-arc spotlight carbon arc torch carbonarc weathering equipment carbon arc weathering equipment carbon arc weatherometer carbon arc weather ometer carbon arc weatherometre carbon arc weather ometre carbon arc weld carbon-arc welder carbon arc welding carbon arc-welding carbon-arc welding carbon are carbon are film projector carbonari Carbonari carbonaria