单词 | sieve plate |
释义 | sieve plate [`siv ´plāt] BOTANY A perforated section of the wall of a component member of a sieve tube. CHEMICAL ENGINEERING A distillation-tower tray that is perforated so that the vapor emerges vertically through the tray, passing through the liquid holdup on top of the tray; used as a replacement for bubble- cap trays in distillation. Also known as sieve tray. |
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