Spot dictation425_________ radar service is _________.[音频]
查看答案
Spot dictation427Confirm radar control is _________.[音频]
Spot dictation430_________ RVSM due equipment _________.[音频]
Spot dictation431_________ _________ into RVSM airspace.[音频]
Spot dictation449Our _________ system has _________.[音频]
微信支付 
支付宝支付