This paper presents the characteristics of 16240Z Diesel on Dongfeng-4 Locomotive run at various altitudes.

本文扼要地介绍了装在东风4型内燃机车上的16240Z型增压柴油机在不同海拔高度上的性能试验。

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FAS think, here's the launch platform for older "dongfeng-4" type strategic missile design, China put it upgraded to launch new "after dongfeng-21" missiles.

FAS认为，这里的发射平台本为老式“东风- 4”型战略导弹设计，中国把它升级改造后可以发射新型“东风- 21”导弹。

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