同: "抓"线: thread; string; wire电话用户: telephone subscriber间: space in between; opening互: each other; mutual机: machine; engine键: key两户同线电话用户: two party subscriber同线电话用户设备: reverting equipment同线电话用户识别电路: two party identification circuit热线电话用户: off hook subscriber同线用户互叫: reverting call多用户同线电话: multiplarty电话用户: telephone connections; ts telephone subscriber电话用户机: sub scriber set电话用户区: telephone area电话用户线: telephone loop同线电话: multiparty telephone; party call; party line station; party line telephone; party-line telephone; subscribers group service同线电话线: party wire; single party line同线电话制: party line system; party-line system本地电话用户: user of local telephone service电话用户部分: tutelephone user part（ 7）; tutelephone user part（ss7）电话用户姓名: address name独用电话用户: exclusive telephone固定电话用户: fixed telephone subscriber; fixed-line telephone subscriber
