gravel supply cylinder
gravel supply cylinder
[新英汉石油技术词典]
gravel supply cylinder砾石供给罐
是什么意思，gravel supply cylinder的解释，gravel supply cylinder的翻译
[石油英汉词典] gravel supply cylinder
gravel supply cylinder
[新英汉石油技术词典]
gravel supply cylinder是什么意思，gravel supply cylinder的解释，gravel supply cylinder的翻译
[石油英汉词典] gravel supply cylinder