短语词组短语fluidized sand bed furnace 流化砂床炉;详细翻译fluidized sand molding 流砂造模法;流动性铸砂造模法;流动性铸砂;翻译fluidized sand flow 流体化砂流fluidized sand filtration 流砂过滤fluidized self -hardening sand 流态自硬砂 返回 fluidized sand