double tube heat exchangedouble-pipe exchangerdouble-pipe heat exchangerdouble-tube heat exchanger套管: drivepipe; annular tubes; br ...热交换器: heat exchanger; exchanger管套管热交换器: pipe in pipe多管热交换器: multi pipe heat exchanger盘管热交换器: coil heat exchanger下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:套管热交换器,即可在微信中查询翻译