The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Laser Pointing Device in Roadway Excavation
Author(s): 
Pages: 54-55
Year: Issue:  2
Journal: Coal

Abstract: 激光指向仪是利用方向性好、颜色单纯、亮度高的激光束指示巷道掘进方向的光学仪器.运用该仪器指示巷道掘进方向有效率高、时间短等许多优点,主要介绍YBJ-I型激光指向仪在井巷掘进中的应用.
Related Articles
No related articles found