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....
Darn it! I’ve lost my keys!真见鬼，我的钥匙丟了！I know how to darn, and how to sew a button on.我会打补丁，缝纽扣。These are the friendliest darn bulldogs in the world.它们是世界上最友好的牛头犬.There's not a darn thing he can do about it...他对此根本无能...
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...
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...