internalityn.内在；内在性internaladj.国内的；内部的；身内的internal root sheath毛根内鞘,内根鞘internal caused fire内因火灾internal clutch gear内离合齿轮internal drum filter内滤鼓式过滤机internal synthesizer内部同步器internal transaction内部经济业务internal penetration内部渗透internal porous food内部多孔性食品Internal ice Melting内融冰internal path length内部路径长度