恢复生态平衡
recover the original ecological balance
平衡延迟恢复
delayed restoration of equilibrium
复平衡状态图
double equilibrium diagram
平衡平滑阀
self-balanced flat slide valve
平衡平面总绕
Balanced-in-plane winding
水平恢复力特性
horizontal restoring characteristics
至业务恢复平均时间
mean time to service restore
MTTSR
自动平衡平滑阀
self-balanced flat slide valve