Facing sharp market competition, China cannot easily give out its rocketmanufacturing secrets.
面对激烈的市场竞争，中国的火箭制造机密也不会轻易向别人泄漏。
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The company claims it has used experience gained in fields such as rocket engine manufacturing, nanotechnology and particle physics to have created the new blade.
该公司声称其使用了火箭引擎生产、纳米技术与粒子物理学等领域的经验技术，使这款新的刀片得以问世。
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P to now, how to reduce more effectively the large rocket hull straightness error has been an interesting problem for technicians of manufacturingrocket hulls.