短語詞組短語trunk carrier 行李艙支架;行李搬運(yùn)車;行李盤運(yùn)車;主要航空exchange trunk carrier system 局間中繼線載波系統(tǒng)exchange acidity trunk carrier system 局間中繼線載波系統(tǒng)trunk line carrier channel 長(zhǎng)途干線載波信道 返回 carrier trunk