Straight-three engine

直列三缸引擎（英語：straight-three engine）簡稱三缸、L3或I3，是活塞引擎的汽缸排列型式之一，因只有三個氣缸而得名，常见於農用機械及摩托車。比起直列四缸引擎，直列三缸引擎較少用作汽車引擎，多數用於排氣量比較小的引擎。特點是比起四缸引擎較容易抖動。

Robotised Engine） 渦輪增壓器Jet I4 柴油引擎: 1.3 L MultiJet（英语：MultiJet） I4 中度混合動力: 1.0 L Fiat Global Small Engine（英语：Fiat Global Small Engine） Straight-three engine（英语：Straight-three

mid-engine design seeks to achieve the ideal center of mass, though front-engine design has the advantage of permitting a more practical engine-passenger-baggage

[2013-10-22]. （原始内容存档于2013-10-24）.  Alien Breed Trilogy is a compilation of three Xbox Live Arcade games: Alien Breed Evolution, Alien Breed 2: Assault, and

Forces were sometimes capricious about when and where they would fight. Straight cargo operations were hazardous enough, especially during the monsoon season