n.取去浮泡（杂质），排除杂质...

The equipment is furnished with despumation device in case of overflow of materials.本系统设备独特的除沫装置,防止跑料现象....

despumation的音标：despumation的英式发音音标为：[despjʊ'meɪʃən]despumation的美式发音音标为：[despjʊ'meɪʃən]...