短語詞組短語working reference substance 工作對(duì)照品working standard substance 工作標(biāo)準(zhǔn)物質(zhì)phase change working -substance material 相變工質(zhì)材料organic working substance 有機(jī)工質(zhì)working substance for replacement 替代工質(zhì)natural working substance 天然工質(zhì)alternative working substance 替代工質(zhì)mixture working substance 混郃工質(zhì)ideal working substance 理想工質(zhì) 返回 working substance