pipe-casting in trenches
[石油英汉词典]
pipe-casting in trenchesn.管子浇灌在管沟中
是什么意思,pipe-casting in trenches的解释,pipe-casting in trenches的翻译
[新英汉石油技术词典] pipe-casting in trenches
pipe-casting in trenches
[石油英汉词典]
pipe-casting in trenches是什么意思,pipe-casting in trenches的解释,pipe-casting in trenches的翻译
[新英汉石油技术词典] pipe-casting in trenches