bolt release

基本解释

Release discharge bolt to discharge the retained water if the pump will not be used for long.
長期停止使用時，應打開放水螺塞，將泵內的賸水排盡。
When the proper key is inserted, all the levers are raised to the same height, enabling the bolt pin to release the bolt.
儅正確的，關鍵是插入，所有的杠杆提高到相同的高度，使螺栓針釋放螺栓。
A card reader at the lock location reads the code and sends the information to a computer, which sends a signal to release the bolt if the code is correct.
阿鎖的位置在讀卡機讀取的代碼和發送信息到電腦，這發出了一個信號，釋放螺栓如果代碼是正確的。