hanging bridge for inclined shaft
hanging bridge for inclined shaft
[冶金学英汉词典]
hanging bridge for inclined shaft斜井吊桥
是什么意思，hanging bridge for inclined shaft的解释，hanging bridge for inclined shaft的翻译
hanging bridge for inclined shaft
[冶金学英汉词典]
hanging bridge for inclined shaft是什么意思，hanging bridge for inclined shaft的解释，hanging bridge for inclined shaft的翻译