【单选题】材料的疲劳强度可以指的是材料承受( )作用而不破坏的最大应力。
【简答题】The prices charged by your Accounting Department do not match those ______ to me by your Sales Department at the time of purchase. A.repeated Binformed C.recorded D.quoted
【简答题】~ Your department needs to recruit more staff, your line manager wants you to write a report explaining your requirements and commenting on recruitment methods. ~ Look at the information below, on whi...
【简答题】· Your department currently has a lot of work, and your secretary must take several weeks off work, starting tomorrow. · Write an email to the Human Resources Manager in your company: · explaining why...
【多选题】下列说法正确的是()。
B.
钢材在恒载的作用时,在远低于抗拉强度时突然发生断裂破坏,称为疲劳破坏
C.
硬度是指材料抵抗其他较硬物体压人的能力也可以说是材料表面抵抗变形的能力
D.
钢材的可焊性能,是指在一定的焊接条件下,在焊缝及附近过热区不产生裂缝及硬脆现象的力学性能
E.
冷弯是指钢材在寒冷的情况下承受弯曲变形的能力
【简答题】You work for a large company. One of your colleagues in your department has quitted and you are in charge of his job now. Write an email to all staff: telling them why you are in charge of the current...
【简答题】&8226;You work for Purchase Department of Robust Machinery Company. Your department ordered 5 000 BG68 gears from IW Industries Company. When the goods arrived, you found that the gears were PJ86, and...
【简答题】&8226;Your department needs to recruit more staff. Your line manager wants you to write a report explaining your requirements and commenting on recruitment methods. &8226;Look at the information below...