back fin

基本解釋

• 背鰭

英漢例句

雙語例句

• The tail flats are high-mounted, swept-back with a swept-back and tapered fin.
  后掠上置尾垂翼連同一個后掠錐形尾平翼。
• The tail boom tapers from the main body to the swept-back, tapered fin with a rotor on the right. Two flats are mounted on the both side of the boom.
  尾梁從機身漸細到后掠尾垂翼，尾螺旋槳在錐形尾垂翼右側(cè)，二個尾平翼被裝在尾梁兩側(cè)。
• The system implements the parametric design and drawings of many typical kinds of refrigerating parts, e. x. the plate-tube evaporator, the single back-fin evaporator and the box condenser.
  該系統(tǒng)完成了對典型制冷裝置的換熱器部件，如板管式蒸發(fā)器、單脊翅片管式蒸發(fā)器、箱壁式冷凝器的參數(shù)化設(shè)計和繪圖；

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專業(yè)釋義

能源科學(xué)技術(shù)

• 夾層

機械工程

• 軋件舌尖

冶金工程技術(shù)

• 壓折