walking-beam counterweight
[新英汉石油技术词典]
walking-beam counterweight游梁平衡块
是什么意思,walking-beam counterweight的解释,walking-beam counterweight的翻译
[石油英汉词典] walking-beam counterweight
walking-beam counterweight
[新英汉石油技术词典]
walking-beam counterweight是什么意思,walking-beam counterweight的解释,walking-beam counterweight的翻译
[石油英汉词典] walking-beam counterweight