【48812】工程办理:小型水电站灌浆材料及设备规则?
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2026-06-11 03:15:34
【回答】(1)水泥灌浆宜选用一般硅酸盐水泥或硅酸盐大坝水泥,标号不低于425号。其细度要求为经过...
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