Having been worked for many years, the asymmetric subsidence has already threatened the safe run of underground trains because it traverses different relief cell and is affected by dynamic load.
运营多年的地铁隧道,由于横跨不同的地貌单元和受动荷载的影响,不均匀沉降已威胁到地铁列车的行驶安全。
2
The relief valve cover shall be secured with stainless steel bolts and shall utilize a quarter-turn locking joint to capture the spring load of the relief valve.
安全阀阀盖应该采用不锈钢螺栓紧固,应该采用四分之一转锁定连接来所定安全阀的弹簧负载。
3
The maximum load on a bearing should always be smaller than the reliefload in order to avoid scuffing.