短語詞組短語trunk carrier 行李艙支架;行李搬運車;行李磐運車;主要航空exchange trunk carrier system 侷間中繼線載波系統(tǒng)exchange acidity trunk carrier system 侷間中繼線載波系統(tǒng)trunk line carrier channel 長途乾線載波信道 返回 carrier trunk