drain trap_新英汉石油技术词典
drain trap
[新英汉石油技术词典]
drain trap存水弯，放泄弯管
是什么意思，drain trap的解释，drain trap的翻译
[海运英汉词典] drain trap
[电信英汉词典] drain trap
[石油英汉词典] drain trap
[航海英汉词典] drain trap
[船舶英汉词典] drain trap
[进出口英汉词典] drain trap
[造纸英汉词典] drain trap
