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Aerodist is a useful equipment for secondary breakdown , but not for primary control.航空微波測距儀是測定二等補充網(wǎng)的有效儀器, 但不能用于一等控制網(wǎng)測量....

n.航空微波測距儀...

aerodist的音標：aerodist的英式發(fā)音音標為：['e?r?d?st]aerodist的美式發(fā)音音標為：['e?r?d?st]...