前体水线面面积系数
forebody waterplane coefficient
水翼小水线面面积船
hydrofoil small waterplane area ship
梯形断面水面线
water surface profiles of trapezoid
侧槽水面线计算
calculation of side channel water surface line
长直输水管线
Long-distance Water Transmission Pipeline
超小水线面单体船
the hybrid single-hull yacht with a microminiature waterplane area
地埋输水管线
Underground water pipeline
地下供水管线
underground water supply pipelines
给排水管线
Water and Wastewater Pipe
water supply and drainage piping