1)feeder line,进水线2)entrance lines,进流段水线3)advance a line,推进水带线4)limit lines of infall,进水限制线5)water flow advance curve,水流推进曲线6)velocity of waterline advancing,水线推进速度
用法例句
The limit lines of infall were pre-sented as for as the damage of the front or the middle of the submarine was concerned.