What does “placed” mean in a sentence?
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Complete venting of the nitrogen in the system is important for preventing liquid hammering when the reactor backpressure valve is in operation.
placed: put in a certain position, located in. Here, it should be understood together with the words that follow, as it is currently being processed in operation……
Attempted translation: Complete venting of the nitrogen in the system is important for preventing liquid hammering when the reactor backpressure valve is in use. It is crucial to have the nitrogen fully drained from the system, as this prevents the occurrence of water hammering when the reactor check valve is operating. Check valves can effectively reduce water hammer pressure, but since the valve disc does not close instantly, there is still some impact. If the system is under full pressure with air, water hammer will not occur.
“Place in operation” is common and denotes an action. \"placed in operation\" can also indicate a state of being in use. It prevents water hammer.