《英汉医学词典》continuous countercurrention exchange 连续逆流离子交换 continuous exchange: 连续交换continuous countercurrent ion-exchange: 连续逆流离子交换continuous ion exchange operation: 连续离子交换操作continuous ion exchange system: 连续离子交换装置continuous ion-exchange: 连续离子交换下载手机词典可随时随地查词查翻译