首垂线的英文

• fore perpendicular
• forward perpendicular

• 首    head
• 垂线    perpendicular; vertical; ver ...
• 船首垂线    fore perpendicular; forward perpendicular
• 首垂线船    fore perpendicular
• 首垂线处吃水    draft at forward perpendicular
• 首垂线处船深    depth at forward perpendicular
• 浮心距首垂线距离    longitudinal center of buoyancy from forward perpendicular
• 垂线    (与另一条直线或平面相垂直的直线) perpendicular; vertical; [数学] vertical line; perpendicular line
• 铅垂线，重垂线    plumb line
• 不垂线    faller wire
• 侧垂线    frontal-horizontal line
• 垂线尺    plumb rule
• 垂线法    normal line method; perpendicular drop method
• 垂线铊    plummet
• 磁垂线    magnetic vertical
• 倒垂线    inverted plumb line
• 顶垂线    altitude
• 动垂线    apparent vertical
• 公垂线    common perpendicular
• 铅锤，垂线    plumb
• 铅垂线    [建筑] plumb line
• 前垂线    fore perpendicular; fp
• 视垂线    apparent vertical
• 尾垂线    aft perpendicular
• 下垂线    catenary; faller wire

• 首垂线的法语：verticale avant