浮动头 meaning in English

air supported head
float head
floating head
fly head

Floating head heat exchanger with welded floating head ; number of passes : 2 , tubes 25 , square tube pitch 32 ; number and pattern of tubes , tie rods and slide rails
带焊接浮动头的热交换器.通路数2 ，管25 ，方形管心
Floating head heat exchanger with flanged floating head ; number of passes : 2 , 4 and 8 , tubes 25 , square tube pitch 32 ; number and pattern of tubes , tie rods and slide rails
带法兰盘浮动头的热交换器.通路数2 4和8 ，管25 ，方