某大坝是混凝土重力坝，根据温控要求，坝体设置1 ~ 2条纵缝，缝面设置水平键槽，在坝体混凝土达到稳定温度后进行接缝灌浆。
A concrete gravity dam with 1 ~ 2 longitudinal seams and level keyways in seam surface was grouted when the concrete stays a stable temperature.
景洪电站地处亚热带，高气温时间长，大坝碾压混凝土施工温控难度高。
Jinghong hydropower station RCC dam is in the subtropics zone, the high temperature continues very long and the temperature control in dam construction is very difficult.
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