免费成人A片免费看|亚洲有码视频在线观看|美女毛片视频激情超碰|91精品国产欧美一区二区成人|久久无码精品一级A片一高潮不断|亚洲性爰专区三级片不卡免费|欧洲另类AV无码国产免费看|免费观看黄片视频|三级黄色网片在线|国产精品一区二区三区网址

單詞乎

crosshead

音標(biāo)['kr?shed]
crosshead是什么意思、crosshead怎么讀

crosshead漢語(yǔ)翻譯

n. 小標(biāo)題, 子題, 十字頭
【化】 十字頭

crosshead英語(yǔ)解釋

名詞 crosshead:

  1. a heading of a subsection printed within the body of the text
    同義詞:crossheading
  2. metal block that connects to a piston; it slides on parallel guides and moves a connecting rod back and forth

crosshead詳細(xì)解釋

cross.head

n.(名詞)
A beam that connects the piston rod to the connecting rod of a reciprocating engine.
十字頭:連接活塞桿和往復(fù)式發(fā)動(dòng)機(jī)連桿的橫桿

0
糾錯(cuò)