High ductility and excellent bendability to form bends, loops and complicated configurations without fracture.良好的延展性和成行性,可弯制各种曲及复杂的形状且不断裂.The larger the thermal gradient, the lower the anisothermal ductility.温度梯度越大, 不等温韧...
Hilly - gullied Loess region is the most fragile and underdeveloped area of the Loess Plateau.摘要黄土丘陵沟壑区是黄土高原生态环境极其脆弱,经济发展十分落后的地区.The plateau extends for many miles.高原连绵许多英里。The road straightened and we were on a plateau....
It was based on the theory of probability and statistics - based approach.它是以概率统计理论为基础的一种方法.Read a couple of popular books on the theory of probability.读一两本有关可能性理论的流行书.French mathematician who founded theory; contributed...
关键单元的升级包括液态催化裂化装置设备、炼焦器 、 超加氢裂化装置以及烷化设备.Critical units to be upgraded include fluid catalytic cracker units , cokers, ultracrackers and alkylation units....