Bars of different sizes may be bundled provided that the ratio of diameters does not exceed 1, 7.

不同规模的钢筋，可提供捆绑的直径比例不超过1.7。

youdao

Bars of different sizes may be bundled provided that the ratio of diameters does not exceed 1, 7.

不同规模的钢筋，可提供捆绑的直径比例不超过1.7。

youdao