flapper float shoe
[新英汉石油技术词典]
flapper float shoe舌〔瓣〕型浮鞋(套管附件)
是什么意思,flapper float shoe的解释,flapper float shoe的翻译
[石油英汉词典] flapper float shoe
flapper float shoe
[新英汉石油技术词典]
flapper float shoe是什么意思,flapper float shoe的解释,flapper float shoe的翻译
[石油英汉词典] flapper float shoe