1. danci.911cha.com
1. 在露天钟楼的钟下面的那一层板。 A floor under the bells of an open belfry.
2. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
2. 高炉无料钟下料罐的焊接 Welding Process of Charging Bucket for Bell - less BF