桑尼·库尔梯斯 Sonny Curtis

冷库梯 freezer elevator

车库电梯 garage elevator

梯级水库 Cascade Reservoir ; cascade hydropower

梯阿库阿奴 Thiacuano

梯级水库调节 regulation of cascade reservoirs

库比梯诺 Cupertino

梯度库存策略 the Echelon-stock policies