downflow weir 溢流堰 ; 下流堰
parallel downflow rinse 并行下流冲洗
downflow well 注水井
downflow spout 降液管
downflow filter 下流式过滤器
downflow continuous digester 降流式连续蒸煮器
Downflow Booth 药品操作洁净棚 ; 垂直层流工作室
To reduce the heavy load on dust collectors upflow beds were soon replaced by downflow fluidized beds.
为了减轻粉尘收集器的负荷，上流式流化床不久被下流式流化床所取代。
To reduce the heavy load on dust collectors, upflow beds were soon replaced by downflow fluidized beds.
为了减轻粉尘收集器的负荷，上流式流化床不久被下流式流化床所取代。
At the same flow rate the concentrations of ozone in upflow are higher than that in downflow at the same HRT.
在相同水流量条件下，水由下向上流时水中臭氧浓度，高于由上向下流时相同水力停留时间时的臭氧浓度。
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