Lease data line

• 专线

Lease data line的用法和样例：

例句

1. These virtual circuits have a flat rate, similar to a leased line.
   这些虚拟电路与租用专线相似，采用包价收费制。
2. It is the world's first commercial maglev line operation.
   是世界第一条商业运营的磁悬浮专线。