搜索 - 科创

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我很看好铝合金。6兆帕的耐压对我们来说足够了，除了喷喉需要加衬垫，别的地方都能用铝合金并且可保证多次使用

引用第31楼phpskycn于2009-06-28 22:55发表的 :注意这个极度不螃蟹，经过改装：用钢或者钨合金、钛合金，配上聚能……就是一火箭弹

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