备冷却水热交换器 air cooling heat exchanger: 空冷式热交换器shutdown cooling heat exchanger: 停堆冷却热交换器cooling tube and jacket heat exchanger: 水冷管夹套换热器heat exchanger; exchanger: 热交换器exchanger, heat: 热交换器下载手机词典可随时随地查词查翻译