two-line的用法和樣例：
辭彙搭配
- two line ground 雙線接地
- two terminal line 兩端線路
- two conductor line 雙導線傳輸線路...
- two wire line 二線制線路
- two party flat rate line 平均支付兩戶合用線...
- two line repeater 二線制中繼裝置...
- two line hunt feature 兩線尋線性能...
- two-yard line 兩碼線
- two-action line 雙向傳輸線
- two-conductor line 雙導線線路
