单词	可变换性
释义	同可逆性--互换性--可变换性
随便看	particle conservation particle-conservation particle-- controlling particle conversion particle correlation particle counter particle counting and size distribution in oil particle current density particle cyclone separator particle-- decaying particle-- delayed particle density particle derivative particle detection particle detector particle diameter particle diffusion particle discrimination particle disintegration particle disintegration constant particle dispersion strengthened ceramic particle displacement particle drift particle dynamics particle, ejected