lughole
美 ['l?gh??l] 英 ['l?gh??l]
詞形變化
英漢解釋
例句
The Application in He Gang Ming Group of Difficult Coaled Laneway's Long Wall and Lughole Explosion, Excavating Coal Techniques
難采煤層巷道長壁長孔爆破采煤工藝在鶴礦集團的應用