本地純凈下載
純凈官方版GB體育APP官方
建立與低空經(jīng)濟(jì)產(chǎn)業(yè)發(fā)展相匹配的適航安全設(shè)施、標(biāo)準(zhǔn)、體系,需要巨大的資源投入,當(dāng)下面向低空經(jīng)濟(jì)發(fā)展的適航資源不足,是急需補(bǔ)齊的短板。中國航空學(xué)會(huì)適航分會(huì)委員、電動(dòng)航空分會(huì)委員金鐳告訴記者,據(jù)不完全統(tǒng)計(jì),屬于適航管理范疇的可能有兩三千家企業(yè),4000多個(gè)型號,有適航審定需求的型號目前大約有七八百個(gè)。
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