When the piston nears the top of this stroke, the inlet valve is opened and the exhaust valve closed.

 
  • 隨著(zhù)曲軸轉動(dòng),復又向上帶動(dòng)活塞,同時(shí)廢氣經(jīng)由氣缸頭蓋上的排氣閥排出。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan