塔盘供货商应对塔盘的详细设计负责，包括下降管。塔盘供货商也应对回流及进料分布器设计供货。
Tray vendor shall be responsible for detailed tray design including downcomers. Tray vendor shall also design and supply reflux and feed distributors.
在10侧头面部铸型标本上，观测侧颌颈部皮肤和皮瓣蒂部的动脉血管分布及静脉回流。
Vascular distributions of the lateral jaw neck skin were observed on 10 sides cephal facial cast specimens.
本文在实验的基础上对回流区的分布、形状、大小、回流率及其作用进行了分析。
Based on tests the distribution, shape and size of reflux area, reflux rate and its effects are analysed in this paper.
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