The lighter version used liquid hydrogen, the heavier used hypergolic propellants.

较轻的推进器采用液态氢, 较重的采用自燃推进剂.

英汉非文学 - 科学史

This theoretically provides a feasible method for solving the control difficulty of Cold - Wrap liquid hydrogen position.

这在理论上为冷包控制难点寻找了一条可行之策.

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Chromeplating liquid hydrogen evolution is the worst kind of bath, hydrogen on coatings.

镀铬液是析氢最惨重的一栽镀液, 析氢差镀层的感化极大.

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For liquid hydrogen system, Helium purge is required after or before nitrogen purge.

对于液氢系统用氮气吹扫之后,还要用氦气吹扫.

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The gas in liquid hydrogen loading system must be replaced before liquid hydrogen is loaded.

液氢加注系统在加注前必须置换合格,可采用的置换方法有三种:抽真空、吹除、增压置换.

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Dewars and other containers made of glass are not recommended for liquid hydrogen service.

对于液氢建议不要使用杜瓦瓶和其它玻璃制成的容器.

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A two - component rocket propellant, such as liquid hydrogen and liquid oxygen chamber as fuel and oxidizer.

一种蓝色透明、有磁性的液体,由压缩气态氧获得,用作火箭推进物中的氧化剂.

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In the case of liquid hydrogen, the atmosphere should be monitored with a flammable gas detector.

对于液氢, 应当用易燃气体监测器来监测空气.

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