... 闭合线路 closing line 闭合点closing station 水平角闭合，全水平角观测 closing the horizon ...
双语例句
1
This station is now closing down and we wish you all good-night.
本台播音到此结束，祝大家晚安。
2
Hydropower Station Gantry Crane: mainly used for lifting and opening and closing gates, but also the installation.
水电站龙门起重机：主要用来吊运和启闭闸门，也可进行安装作业。
3
Introduces OCS construction transitional plan such as railway line-moving, line-crossing and side-exchanging, bridge and track laying, stationclosing up etc. on Zhuzhou-Liupanshui double track lines.