The European Space Agency (ESA), the Russian Federal Space Agency (RKA) and Nasa have each poured billions of pounds into such a craft without success.
欧洲航天局，俄罗斯联邦航天局和美国宇航局已分别投入到这样一门手艺没有成功数十亿英镑。
Indonesia Jinchuan WP&RKA Laterite Nickel Ore Project mainly covers smelting plant area, power plant area, office & living area as well as public and auxiliary utilities.
RKA红土镍矿项目主要包括冶炼厂区、电厂厂区、办公生活区和公辅设施等。 本次招标包括施工准备阶段、工程施工阶段及工程保修阶段全部工程的监理。
Indonesia Jinchuan WP&RKA Laterite Nickel Ore Project mainly covers smelting plant area, power plant area, office & living area as well as public and auxiliary utilities.
RKA红土镍矿项目主要包括冶炼厂区、电厂厂区、办公生活区和公辅设施等。 本次招标包括施工准备阶段、工程施工阶段及工程保修阶段全部工程的监理。
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