常見例句Yao Shuanxi NWH, CHECC Optimization Design of Outline of Laxiwa Double Curvature Arch Dam On The Yellow River 中國水電顧問集團西北勘測設計研究院黃河拉西瓦雙曲拱壩體形優(yōu)化設計normal working hours (NWH) 正常工作小時數(shù) 返回 NWH