A bar used with a double harness to connect the collar of each horse to the pole of a wagon or coach.
轭状物:用双马具把每个马轭连到四轮运货马车或公共马车的辕杆上的木条
yielding support:可缩性支座
yielding ground 松软土地 | yielding support 可缩性支座 | yoke 轭状物