英语词汇“gravitational rainwater drainage system”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	gravitational rainwater drainage system
释义	gravitational rainwater drainage system 重力流系统
随便看	skip tooth saw skip-tooth saw skira ski race ski racer ski races ski racing skip town skiptracer skip tracer Skip-Tracer skiptracers skip tracers skiptracing skip tracing skip-tracing skip track skip trajectory skip twill skip twill weave skip-two-days-perweek feed program skip-two-days-per-week feed program skip type chargeman skip type charger skip-type feeder