One of the four-engine cutoff, or ECO, sensors inside the liquid hydrogen section of the tank gave a false reading.
四个引擎中的一个关车(eco)，燃料箱中液氢燃料区的一个传感器给出了错误的读数。
The idea for the chemical engine is similar to that used on the space shuttle, liquid oxygen and liquid hydrogen.
化学发动机跟航天飞机使用的发动机类似，都是用液氧和液氢作燃料。
The Common Extensible Cryogenic Engine being developed for NASA burns a mixture of liquid oxygen (-297 degrees Fahrenheit) and liquid hydrogen (-423 degrees).
这个正为NASA研发中的“通用可扩展超低温引擎”以液态氧(- 297华氏度)与液态氢(- 423华氏度)的混合物为燃料。
Mark Hempsell, future programs director at Reaction Engines Ltd, told CNN: 'The engine starts by burning hydrogen with air and finishes up burning hydrogen with liquid oxygen like a shuttle engine.'
ReactionEnginesLtd的未来计划总监马克·汉普塞尔向CNN透露，天龙的引擎在开始时将氢与空气混合燃烧，然后会像航天飞机一样，将氢与液氧混合燃烧。
The first native liquid-fueled rocket engine used a liquid oxygen and carbon-hydrogen propellant, provided 5.6 tons of thrust, and was installed in unit e.
第一个使用液氧碳氢推进剂的国产液体燃料火箭发动机被安装在了火箭的E段上，它可以提供5.6吨的推力。
The world's first closed-loop engine, with thrust of about 7 tons and using liquid oxygen and carbon-hydrogen propellant, was installed in booster L.
世界上第一台可提供7吨推力的闭合回路液氧碳氢推进剂发动机被安装到L助推器上。
Base on these, the health condition evaluation system of the liquid hydrogen supplying system of a rocket engine testing platform was set up.
在此基础上，建立了火箭发动机试验台液氢供应系统的健康评价体系。
Base on these, the health condition evaluation system of the liquid hydrogen supplying system of a rocket engine testing platform was set up.
在此基础上，建立了火箭发动机试验台液氢供应系统的健康评价体系。
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