- SH3034-2012石油化工给水排水管道设计规范（英文版）
- 中国石油化工集团公司
- 25字
- 2021-03-29 04:34:54
3.3 Flume
A curved water trough constructed inside the inspection manhole to maintain stable water flow for avoiding any vortex due to cross section variation.
A curved water trough constructed inside the inspection manhole to maintain stable water flow for avoiding any vortex due to cross section variation.