问题
多项选择题
下面有关凸度控制和板形控制的描述,错误的是()
A.增大正弯辊力可以增大凸度调整范围,轧件容易产生边浪
B.增大正弯辊力可以增大凸度调整范围,轧件容易产生中浪
C.增大正弯辊力可以减少凸度调整范围,轧件容易产生边浪
D.增大正弯辊力可以减少凸度调整范围,轧件容易产生中浪
答案
参考答案:A, C, D
下面有关凸度控制和板形控制的描述,错误的是()
A.增大正弯辊力可以增大凸度调整范围,轧件容易产生边浪
B.增大正弯辊力可以增大凸度调整范围,轧件容易产生中浪
C.增大正弯辊力可以减少凸度调整范围,轧件容易产生边浪
D.增大正弯辊力可以减少凸度调整范围,轧件容易产生中浪
参考答案:A, C, D
完形填空 | ||||
It was the summer of 1965.DeLuca,17, visited Buck, a family friend.Buck asked DeLuca about his __1__for his future."I'm going to college, but I need a(n)__2__to pay for it, " DeLuca__3__saying, "Buck said, 'You should open a sandwich shop.'" They agreed to be__4__.And they set a__5__:to open thirty stores in ten years.After doing some research, Buck wrote a check for $1,000.DeLuca__6__a storefront (店面), and when they couldn't __7__their startup costs, Buck kicked in another $1,000. But business didn't go smoothly as they__8__.DeLuca was__9__the store and going to__10__at the same time.Buck was working at his day job as a nuclear physicist in New York.They'd__11__on Monday evenings and brainstorm ideas for keeping the business running.They__12__themselves to__13__a second store.And they did in the spring of 1966. The partners' learnasyougo approach turned out to be their greatest__14__.Every Friday, DeLuca would drive around and handdeliver the checks to pay their__15__."It took me two hours and it wasn't __16__, but as a result, the suppliers got to know me well, and the personal__17__established really helped out, " DeLuca said. And having a goal was also important."There are so many__18__that can get you down.You just have to__19__working toward your goal, " DeLuca adds. DeLuca__20__founding Subway Sandwich, the multimilliondollar restaurant chain. | ||||
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