Isbn: 9787564302115 - 岩体温度法隧道施工掌子面前方涌水预报 (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Pages Number: 127 Today s tunnel geological work. entered a tunnel construction period geological prediction ahead of tunnel face and tunnel construction of geological disasters marked the prevention and treatment stage. A large number of tunnel construction practice has shown that. due to geological survey accuracy. funding. and many other conditions. based on geological survey data to make the design and actual discrepancies occurred frequently. especially the construction .…