balance valve
balance valve
[矿业英汉词典]
balance valve平衡阀
是什么意思，balance valve的解释，balance valve的翻译
[新英汉石油技术词典] balance valve
[农牧林英汉词典] balance valve
[汽车英汉词典] balance valve
[海运英汉词典] balance valve
[电信英汉词典] balance valve
[英汉石油名词] balance valve
[石油英汉词典] balance valve
[船舶英汉词典] balance valve
[造纸英汉词典] balance valve