In the classrooms, the design is focused on providing an environment that promotes concentration and relaxation.
在教室里，设计重点是提供一个促进注意力集中和放松的环境。
Design improvement is in three stages partial, geometrical stress concentration improvement, pure casting technology improvement and a forge-weld box body design.
设计改进分三个阶段，即局部几何性应力集中改进、提高铸造质量的纯工艺改进和锻焊组合结构抱轴箱体的设计。
The operation design must meet with its operation conditions of the operation level, design inflow discharge, sediment concentration, sediment settlement design standard and the operation time.
运行设计应满足沉沙池运行水位、设计入池流量、含沙量、泥沙沉降设计标准和运用时间等运用条件。
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