semisubmersible lay vessel_新英汉石油技术词典
semisubmersible lay vessel
[新英汉石油技术词典]
semisubmersible lay vessel半潜式铺管船
是什么意思，semisubmersible lay vessel的解释，semisubmersible lay vessel的翻译
[石油英汉词典] semisubmersible lay vessel
