机上的

Additive Lamphouse: A printer lamphouse consisting of three light sources; one for each color record.

由三个成印片机上。一个对应一个彩色记录。

Structure of pneumatic material c lamping device and pneumatic system have been introduced with ex-pounding appli cation in a notching press.

介绍对气动压装置结构及气动系统,以及气动压装置在冲槽机上应用。

The successful ditching of the stricken aircraft in the Hudson River, without a single loss of life among the 155 people on board, was an extraordinary feat of airmanship.

被击中飞机成功迫降到哈德森河里，机上155人无一人丧生，这是一项飞行技术壮举。