常見例句Yao Shuanxi NWH, CHECC Optimization Design of Outline of Laxiwa Double Curvature Arch Dam On The Yellow River 中國(guó)水電顧問集團(tuán)西北勘測(cè)設(shè)計(jì)研究院黃河拉西瓦雙曲拱垻躰形優(yōu)化設(shè)計(jì)normal working hours (NWH) 正常工作小時(shí)數(shù) 返回 NWH