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阿里安5第一级的动力装置是一种新型大推力(1025千牛)火神发动机。该级携带120吨液氢和液氧。本文描述该级及其设备,并介绍导致1994年首次发射的研制计划。
Arian 5 first-class power plant is a new type of high-thrust (1025 kN) Vulcan motor. This class carries 120 tons of liquid hydrogen and liquid oxygen. This article describes the stage and its equipment and describes the development plan that led to its first launch in 1994.