It briefly introduces the integral hoisting methodof gate mechanism, stressing check and hoisting turnover process during the erection of bulb tubular turbines.
简要介绍灯泡贯流机组在安装过程中，导水机构整体吊装方法、受力校核及吊装翻身过程。
2
The methodof a map for multi-purpose of urban basic surveying and mapping will not only im- prove work efficiency and economic benefits, but also accelerate the erection of geo-spatial framework.
城市基础测绘一图多用的方法不但能够提高工作效益和经济效益，同时可加快地理空间基础框架的架设。
3
The requisition of improving the air clearance accurancy in the large scale synchronous machine erection and changing configure method are presented.