词汇	宝石加工棍
释义	宝石加工棍 gem stick
随便看	water jacketed cupola water jacketed mcubator waterjacketed metal ignitron water jacketed metal ignitron water-jacketed metal ignitron water jacketed mould water jacketed oven water jacketed producer water-jacketed producer water jacketed test cell water jacket fired heater water jacket furnace water jacket furnce water jacket heater water jacket heating boiler water jacketing water jacket method water-jacket outer wall water jacket plug water jackets water jacket safety valve water jacket space water-jacket space water jacket thermal insulator water-jacket top cover