liaison circuit with a locodepot

例句：

1. 1.The liaison between the two countries has been improving steadily.
   两国之间的联络一直在稳步改善。
2. 2.The liaison officer is responsible for ensuring smooth communication between the two sides.
   联络官负责确保双方的顺畅沟通。
3. 3.The liaison between the two parties was crucial in resolving the dispute.
   双方之间的联络在解决争端中起到了关键作用。