|
|
Welcome to Our Site! |
|
Progress Report > Package IA - North Tunnel Section Chipping
Works at Electrostatic Precipitator No.1 Sta 0+086.2 (Exca.
L=71.8m) in Good Rock Condition - Class B to A
Dọn dẹp hầm lọc bụi tĩnh điện
|