短語(yǔ)詞組短語(yǔ)bothway junction 雙向連接bothway trunk 雙向中繼線bothway operation 雙向操作bothway charge 雙向收費(fèi)BWT BothWay Trunk 雙向中繼bothway exchange line 発著両用局線average bothway traffic 雙向平均業(yè)務(wù)量bothway tax return system 雙向納稅申報(bào)制度bothway toll trunk circuit 長(zhǎng)途雙向中繼器 返回 bothway