发生事故的房间需要被双锁，以便更进一步的调查。
The room which accident occurred may need to be double locked for further investigation purposes.
不得移动房间内相关物品，并将房间双锁，直到相关人员抵达。
The belongings of the room should not be removed and the room to be double locked until the claimant arrives.
针对齿轮锻模极易发生卡模和断裂失效的情况，提出对闭式锻模采用双锁扣的结构方案。
This paper introduces the application of double locking clippers for a closed forging die to solving the problems Such as getting stuck and fatigue fissure caused by a gear forging die.
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