钻机冲洗水管 drill water pipe

冲洗甲板水管 [船] wash deck pipe

冲洗总水管 flushing main

污水管冲洗阀 sewer sluice valve

污水管冲洗 sewer flushing

用水管冲洗甲板 Sluice the deck with hoses

冲洗水管 wash tub pipe

冲洗水管路 flushing pipe