高应力软岩
high strees soft rock
high stressed soft rock
soft rock of high geo-stress
大埋深高地应力巷道
depth high stress roadway
深部软岩工程
soft rock engineering at great depth
深部巷道
deep mine roadway
deep roadway underground
deep roadway
deep tunnel
depth portion tunnel
mining gateway in deep mine
roadway in deep-mining
深部巷道围岩
rock mass around deep tunnel
局部应力应变
Local stress -strain
local stress and strain method
Local stress-strain
local stress-strain method
Local stress and strain
局部应力应变法
local stress-strain method
local stress strain method
local stress and strain method
partial stress strain method
local strain method
局部应力－应变法
local stress-strain method
局部应力—应变法
local stress strain method
大断面软岩巷道
large section soft rock roadway
破碎软岩巷道
incompact and fractured soft-rock roadway
软岩巷道
roadways of soft rock
soft roadway
soft rock roadways
soft rock tunnel
drift in soft rock
soft rock gateway
Soft rock gallery
mine soft rock roadway
Roadway within Soft Rock
tunnel with soft wallrock
soft rock roadway
soft-rock roadway
soft rock excavation
soft rock laneway
soft rock entry