upstream control region 中文意思是什麼
upstream control region
解釋
上游控制區-
About thermal stress and temperature control of rcc dam in harsh climate region, this paper emphasizes mainly on the following aspects : 1. research on space - time distribution rules of the temperature and thermal creep stress of rcc gravity dam in harsh climate region ; analyzing the reason of formation and influencing factors of the horizontal cracks at the dam upstream and downstream face
圍繞嚴寒地區碾壓混凝土壩的溫度應力和溫控防裂,本文主要進行了以下幾方面研究: ( 1 )結合兩座碾壓混凝土壩工程實例,研究了嚴寒地區碾壓混凝土重力壩溫度及溫度徐變應力時空分佈規律,分析了大壩上下游面水平裂縫的成因、影響裂縫的主要因素。
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