摘要
本文主要叙述了国产激光指向仪在地下斜巷掘进中的安装、调试以及使用激光指向仪的优点和注意事项。
The installing and debug of the domestic laser director in underground oblique opening excavation are mentioned. The merit and notice of using laser director is mentioned too.
出处
《江苏测绘》
2001年第2期29-30,共2页
Jiangsu Surveying and Mapping