internal to内于
internaladj.国内的;内部的;身内的
internal bird's beak
internal information内部信息
internal rarefaction心部疏松
internal possibility内在可能性
internal drift field内漂移场
internal block brake内蹄外张式制动器
internal arrangement内部协议
internal periodicals内部期刊
internal tube cutter内管割刀
internal respiration组织呼吸,内呼吸