double pipe heat interchangerdouble-pipe exchangerdouble-pipe heat exchangerdoublepipeheatinterchanger双: two; twin; both; dual套管: drivepipe; annular tubes; br ...换热器: heat exchanger; heat-exchang ...套管换热器: double pipe heat interchanger; double tube heat exchanger; double tube type heat exchanger; double-pipe exchanger; double-pipe heat exchanger; double-tube heat exchanger单程套管换热器: single pass double pipe heat exchanger下载手机词典可随时随地查词查翻译
