inner sac内袋(动)inneradj.内心的；内部的；里面的n.里面inner standard method内标法inner airlift reactor气升式内环流反应器inner casing of joint(万向接头的) 内活动接头inner-cone distance内锥距离inner upper extremity臂内廉inner perforated bowl带孔内转鼓inner product diagram内积图表Inner Mongolia steppe内蒙古草原inner condensing tube冷凝器内管inner molecular layer内分子层