单通道飞机，也称之为窄体式客机，一般指飞机机身直径在3到4米(10到13英尺)之间的飞机。机舱一排一般有2到6个座位和一条走道。航程不允许进行跨大西洋或者洲际航线飞行的窄体客机又通常被称为支线客机。
进行会谈，计划订购最多200架飞机来升级自身的单通道飞机机队。
S. have a talk, the plan is ordered most 200 planes will upgrade the group of aircraft of only channel aircraft of oneself.
中国商飞公司预计，其中绝大多数新飞机都将是C919这样的单通道飞机。
Chinese business flies to a company to predict, among them great majority new aircraft will be C919 such only channel plane.
A320系列飞机为单通道飞机市场提供了最大的横截面。其经济舱配备18英寸宽标准座椅。
The A320 Family offers thewidest cross section in the single aisle aircraft market with theAirbus standard 18 inch wide seat in economy class.
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