n.误操作
If misoperation will cause equipment damage and personal injury. 如果误操作将引起设备损坏和人身伤亡。
Hydraulic sequential cilcuit or mechanical mutual interlocking gear should be attached on a flexible mast to avoid misoperation. 伸缩式井架应设置液压顺序回路或机械互锁机构，以防止误操作。
