permanent bench mark_水利英汉词典
permanent bench mark
[水利英汉词典]
permanent bench markn.永久水准点
是什么意思，permanent bench mark的解释，permanent bench mark的翻译
[新英汉石油技术词典] permanent bench mark
[农牧林英汉词典] permanent bench mark
[石油英汉词典] permanent bench mark
[航海英汉词典] permanent bench mark
