It theoretically and practically summarizes the gist of emergency repair of tunnelshaft bearing of ships.
从理论和实践两个方面概括了应急修理中间轴承的要点。
2
The choice of the tunnelshaft Angle should be within a certain reasonable limits, and the chosen of the inclined shaft is flexible depending on the specific project conditions of the tunnel.
隧道斜井倾角的选择应在一定的合理范围内，视隧道的具体工程条件灵活取用。
3
The miners are thought to have entered the mine Saturday after illegally digging an entry tunnel near the abandoned shaft.