热热热久久久免费视频|第四色五月婷婷五月天AV|日韩高清无码免费一级大片|日本成人手机在线视频|中文字幕无码Av在线|台湾a级别黄片免费看|欧美一级性爱亚洲第一性爱|A级黄色电影久草大|www.91精品视频|亚洲AV资源欧洲无码在线观

單詞乎

ramjet

音標(biāo)['r?md?et]
ramjet是什么意思、ramjet怎么讀

ramjet漢語翻譯

n. 沖壓式噴氣發(fā)動機(jī)

ramjet英語解釋

名詞 ramjet:

  1. a simple type of jet engine; must be launched at high speed
    同義詞：ramjet engine, atherodyde, athodyd, flying drainpipe

ramjet詳細(xì)解釋

ram.jet

n.（名詞）
A jet engine that propels aircraft by igniting fuel mixed with air taken and compressed by the engine in a fashion that produces greater exhaust than intake velocity.
沖壓式噴氣發(fā)動機(jī)：一種噴氣發(fā)動機(jī)，靠燃燒發(fā)動機(jī)吸入和壓縮的空氣與燃料的混合物推進(jìn)飛機(jī)，其排出空氣的速度比吸入快

0
糾錯(cuò)