国开行发行3年期债券，规模85亿元，发行利率1.6136%，预期1.6000%，投标倍数2.15倍，边际倍数33.00倍；国开行发行7年期债券，规模30亿元，发行利率1.7043%，预期1.7300%，投标倍数3.82倍，边际倍数2.17倍。

Group 1 - The China Development Bank issued a 3-year bond with a scale of 8.5 billion, an issuance rate of 1.6136%, and a bid-to-cover ratio of 2.15 times, with a marginal ratio of 33.00 times [1] - The China Development Bank also issued a 7-year bond with a scale of 3 billion, an issuance rate of 1.7043%, and a bid-to-cover ratio of 3.82 times, with a marginal ratio of 2.17 times [1]