c30 水泥 170 A&îS}½Ú¤.nbbs.3c3t.com²Ý?öñ¶*c{
黄砂 415 A&îS}½Ú¤.nbbs.3c3t.com²Ý?öñ¶*c{
机制砂 415 A&îS}½Ú¤.nbbs.3c3t.com²Ý?öñ¶*c{
碎石 940 A&îS}½Ú¤.nbbs.3c3t.com²Ý?öñ¶*c{
矿粉 80 A&îS}½Ú¤.nbbs.3c3t.com²Ý?öñ¶*c{
粉煤灰 80 A&îS}½Ú¤.nbbs.3c3t.com²Ý?öñ¶*c{
水 130 A&îS}½Ú¤.nbbs.3c3t.com²Ý?öñ¶*c{
减水剂 3.2 A&îS}½Ú¤.nbbs.3c3t.com²Ý?öñ¶*c{
总计: 2230 有这么小的容重吗?A&îS}½Ú¤.nbbs.3c3t.com²Ý?öñ¶*c{