安全锁能防止快速释放操纵杆完全打开。
顶板离层是锚杆支护巷道最大的安全隐患之一。
The roof abscission layer is the biggest security hidden danger in bolting support tunnel.
因FRP材质不导电，因而 灯 杆用电安全性能好。
The FRP is an insulator to electricity, so it is good in safety.
按静强度进行扭杆设计是安全的和合适的。
Design method based on static strength analysis is safe enough and applicable.
拆卸安全阀阀盖，阀杆/隔膜总成，和安全阀弹簧。
Remove the relief valve cover, stem/diaphragm assembly, and relief valve spring.
顶板离层是锚杆支护巷道最大的安全隐患之一。
The roof separation layer is the biggest security hidden danger in bolt support tunnel.
顶板离层是锚杆支护巷道最大的安全隐患之一。
The roof abscission layer is the biggest security risk in bolting support tunnel.
顶板离层是锚杆支护巷道最大的安全隐患之一。
The roof abscission layer is the biggest security risk in bolting support tunnel.
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