vertical-tube counter-current heat exchanger管: pipe; tube逆流: anarrhea; backset; backwash; ...换热器: heat exchanger; heat-exchang ...套管逆流换热器: double pipe counter flow heat exchanger逆流换热器: counterflow heat exchanger; reversing 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:立管逆流换热器，即可在微信中查询翻译
