特殊用法aerated spillway1.真空式溢流道, 射流脱体式溢流道barrage-type spillway1.堰式溢洪道berm spillway1.护道排水沟chute spillway1.陡槽式溢洪道drop spillway1.跌水式溢洪道lateral flow spillway1.测流式溢洪道morning glory spillway1.喇叭形直井溢洪道overflow spillway1.溢洪道shaft spillway1.直井式溢洪道siphon spillway1.虹吸溢水道