How do I translate this red sentence?
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As the hot benzene drains from the bottom of each vessel, the benzene vapor that flashes off from the liquid surface at the top fills the upper part of the vessel, maintaining a pressure equal to the vapor pressure of the hot benzene. As the title suggests: This post was last edited by beileim1 on 2009-2-6 at 13:58.]
The vaporized benzene steam coming from the top surface of the liquid in the container fills the top of the container, thereby maintaining pressure equilibrium with the benzene vapor.
Trial translation: As the hot benzene drains from the bottom of each vessel, the benzene vapor that emerges from the top liquid surface fills the upper part of the vessel, maintaining a pressure equal to the vapor pressure of the hot benzene. As hot benzene liquid is discharged from the bottom of each container, the benzene vapor that evaporates from the surface of the liquid fills the top of the container, maintaining an evaporation pressure for the hot benzene there.
The benzene vapor that evaporates from the upper surface of the liquid fills the top part of the vessel, maintaining a pressure equal to the vapor pressure of the hot benzene: The benzene vapor that evaporates from the upper surface of the liquid fills the container’s top area, thereby keeping a pressure that is equal to the vapor pressure of the hot benzene.