drainage ditch_公路科技英汉词典
drainage ditch
[公路科技英汉词典]
drainage ditch排水沟
是什么意思，drainage ditch的解释，drainage ditch的翻译
[新英汉石油技术词典] drainage ditch
[农业英汉词典] drainage ditch
[农牧林英汉词典] drainage ditch
[地质英汉词典] drainage ditch
[石油英汉词典] drainage ditch
[航海英汉词典] drainage ditch
