动压巷道
dynamic pressure
entry affected by dynamic pressure
dynamic roadway
dynamic gateway
dynamic pressure roadway
roadways with kinetic pressures
软岩动压巷道
roadway under locomotive stress and in the soft ro
半煤岩软底巷道
Semi Coal and Rock Roadway with Weak Floor
半圆拱形巷道
semi-circular arched tunnel
扁宽断面巷道
roadways of flat and wide cross-section
标定巷道开掘方向
Marking the Direction of Laneway
采动敏感型巷道
mining induced sensitive roadway
采矿巷道围岩支护
design of surrounding rock support system in mine entries