四溢流塔板
four-pass distillation tray
喷淋旋流板塔
cascade spinning-board tower
微涡流塔板澄清器
settler with micro-vorter tower tray
旋流板塔
rotating-stream-tray scrubber
rotating-absorber
Rotating-stream tray scrubber
rotating-stream-tray
层流无菌病房
laminar flow sterile ward
大跨度无支撑甲板板架
supportless long-span deck structure
单塔无背索斜拉桥
Single-column Pylon Cable-stayed Bridge without Backstays