High-scalers were the men who climbed down ropes to jackhammer the sheer canyon walls so the concrete would stick.
高空作业者顺着绳子吊在半山腰，他们用手提钻在岩壁上打孔，使混凝土贴附得更牢固。
High-scalers were the men who climbed down ropes to jackhammer the sheer canyon walls so the concrete would stick.
高空作业者顺着绳子吊在半山腰，他们用手提钻在岩壁上打孔，使混凝土贴附得更牢固。
应用推荐