exchangern.交换器；换热器；兑换商exchangev.交换；兑换n.交换；交易所；兑换；交战exchange terminal交换终端exchange teachers(两国或两校之间的)交换教师exchange of needs互通有无exchange register交换寄存器exchange pair ing交换配对exchange discount外汇贴水exchangeable base代换性盐基exchange sequence交换顺序exchange membrane交换膜exchange isoplane[化] 穿透曲线