lead seal casing patch
[新英汉石油技术词典]
lead seal casing patch铅封式套管修补器
是什么意思,lead seal casing patch的解释,lead seal casing patch的翻译
[石油英汉词典] lead seal casing patch
lead seal casing patch
[新英汉石油技术词典]
lead seal casing patch是什么意思,lead seal casing patch的解释,lead seal casing patch的翻译
[石油英汉词典] lead seal casing patch