We shall put the machine to trial ( test run ) after the erection work has been finished .

这台机器 安装工作完成以后就将进行 试车（试运转）。

Design and trial of a rocket erection device

火箭 架线 作业装置的设计与 试验

After the centralized meter reading devices undergo trial erection and operation in a few cities their operation results indicate that they possess stable performance and good reliability .

实地 安装运行后，运行效果良好，表明该集中 抄表器性能稳定、可靠性好。

The fabrication and trial assembling of the imitated tower in shop and installation erection survey and monitoring on site are introduced .

介绍了本塔的工厂制作、 试拼装与现场 架设 安装 方案，以及测量监控方法。