spillway
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