double-header

汉语翻译

【机】 内部二重分割式管或箱

英语解释：

名词 double-header:

1. two games instead of one (especially in baseball when the same two teams play two games on the same day)
   同义词：twin bill, doubleheader, double feature

详细解释：

double-header 也作 dou.ble.head.er

n.（名词）
Sports Two games or events held in succession on the same program, especially in baseball.
【体育运动】 连续两场：同一项目的连续两场比赛或两个项目，尤其用于棒球
A train pulled by two locomotives.
双头式列车：用两个机车牵引的火车