How to translate this passage?
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I would like to ask experts how to translate the following sentence: Introduction of free water to the catalyst should be avoided to prevent temporary deactivation of the catalyst. Only fill the reactors with benzene that has been circulated and dried.
The introduction of free water into the catalyst should be avoided to prevent catalyst deactivation; the reactor should be filled solely with recycled and dried benzene.
Contact between the catalyst and free water should be avoided to prevent temporary deactivation of the catalyst. The reactor is filled solely with dehydrated recycled benzene.
To prevent temporary deactivation of the catalyst, it is strictly prohibited from coming into contact with free water; the reactor must be filled only with dehydrated recycled benzene.
Free water from entering the catalyst should be avoided to prevent temporary deactivation of the catalyst. Only the reactor is filled with recycled and dried benzene.
It is necessary to avoid introducing active water into the catalyst to prevent temporary catalyst failure; only dry and flowing benzene should be used to fill the reactor.