shaft orientation survey
[冶金学英汉词典]
shaft orientation survey矿井定向测量
是什么意思,shaft orientation survey的解释,shaft orientation survey的翻译
[测绘学英汉词典] shaft orientation survey
shaft orientation survey
[冶金学英汉词典]
shaft orientation survey是什么意思,shaft orientation survey的解释,shaft orientation survey的翻译
[测绘学英汉词典] shaft orientation survey