in operation例句
A contraflow system is
in operation on this section of the motorway.
这段高速公路的一侧正在实行双向行驶。
Until the rail links are
in operation, passengers can only travel through the tunnel by coach.
在铁路连线开通之前，乘客只能乘坐长途客车穿越隧道。
Part of the new plant is now
in operation and remainder will be on stream later this month.
新工厂现已部分开工,其余部分在本月末将全部投产.