commercial pipeline
[新英汉石油技术词典]
commercial pipeline商业用管线
是什么意思,commercial pipeline的解释,commercial pipeline的翻译
[石油英汉词典] commercial pipeline
commercial pipeline
[新英汉石油技术词典]
commercial pipeline是什么意思,commercial pipeline的解释,commercial pipeline的翻译
[石油英汉词典] commercial pipeline