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十年研發(fā)經(jīng)驗(yàn)工程師感慨:研發(fā)不易,選型更難(原創(chuàng)) |
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點(diǎn)評(píng)
意思是國(guó)內(nèi)的航空發(fā)動(dòng)機(jī)最大的問(wèn)題是賣(mài)不出去,,問(wèn)題不在研發(fā)技術(shù),?
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