dual screen prepack_新英汉石油技术词典
dual screen prepack
[新英汉石油技术词典]
dual screen prepack双层预充填筛管
是什么意思，dual screen prepack的解释，dual screen prepack的翻译
[石油英汉词典] dual screen prepack
双层预充填筛管
dual screen prepack_新英汉石油技术词典dual screen prepack
[新英汉石油技术词典]
dual screen prepack是什么意思，dual screen prepack的解释，dual screen prepack的翻译
[石油英汉词典] dual screen prepack
