A.型號合格證 B.維修許可證 C.生產(chǎn)許可證 D.適航證
A.型號合格證 B.型號認(rèn)可證 C.技術(shù)標(biāo)準(zhǔn)規(guī)定項(xiàng)目批準(zhǔn)書 D.型號設(shè)計(jì)批準(zhǔn)書
A.B-XXXX B.XXXX C.B D.CHINA