问题 问答题 论述题

试述YJ19型卷烟机烙铁高低位置的调整要求和方法。

答案

参考答案:

如图所示,烙铁高低位置的调整要求如下:

调整烙铁高低位置时,烙铁温度必须达到正常工作范围方可进行,使用YJ19卷烟机随机专用量规调整烙铁时,烟枪内必须装有布带,烙铁工作面与量规保持平行和固定间隙。工作状态下烙铁工作面与烟枪底槽的间隙为烟支直径-0.1~0.2mm(有布带)。

调整烙铁高低位置的方法和步骤如下:将主隔离器开关置于开,将主选择开关拧到烙铁开的位置,使电烙铁加热到正常工作温度。将烙铁专用量规放入烟枪内。松开固定第一烙铁的四颗螺钉1。通入气缸落下烙铁。调整两颗调节螺钉2使烙铁在入口和出口处,与量规之间刚好能卡住O.05mm塞尺。紧固四颗螺钉1。松开第二烙铁气缸上的弹簧张力,依上述3~5步骤调节第二烙铁高度。重新设定第二烙铁气缸上的弹簧张力,使烙铁与专用量规之间保持2mm间隙。取出烟枪里的专用量规。

单项选择题
完形填空

完形填空(共20小题;每小题1分,满分20分)

The winter skies are grey and it’s cold outside. The nights come early and we spend a lot more time  16   and alone. Many people   17   winter: so cold, so dark, so boring. But I like winter because I have more time to read.

For many students reading means school; it means   18  . Reading is something your teacher assigns and it’s something you’re   19  . Reading is something you have to do, not something you want to do. But for me and many other people, reading is the most   20   thing we can imagine. Getting lost in a good book can   21   a cold winter evening disappear. Dull grey skies are no   22  for the fantastic adventures of Frodo in The Lord of the Rings《指环王》,or for romantic trouble-making of Jane Austen’s Emma《爱玛》, or for the youthful problems of Holden Caulfield in The Catcher in the Rye《麦田守望者》.

All of those books are studied in North American high schools. They are interesting and well written books that   23   young people.   24  , even there, many high school students don’t enjoy reading the books because they are   25   their school work: “Oh, my God! Two hundred pages! I’ll never be able to read   26   much.” But sometimes a funny thing happens. They begin to read and they begin to follow the   27  . Suddenly, the world inside the book becomes more exciting and more wonderful than the world they   28  . At the moment the thought   29   reading is work disappears and reading becomes   30  .

Reading anything is   31   but reading good books is a terrific way to improve your English. Good writers write English very well and   32   you with good examples to follow. And good books will tell you more about English   33  : what people think, how they talk, how they interact with each other. But don’t let me  34   it by telling you that reading is good for you. Just think of it as a good way to   35   on a cold winter evening.

16. A. indoors                   B. indoor                            C. outdoors              D. outside

17. A. like                           B. prefer                                      C. hate                      D. love

18. A. job                            B. worry                                       C. try                          D. work

19. A. tested                     B. tested on                      C. examined             D. examined on

20. A. enjoyable            B. reasonable                             C. comfortable      D. considerable

21. A. want                        B. cause                                       C. make                     D. force

22. A. contest                   B. challenge                      C. competition        D. match

23. A. appeal to                B. respond to                             C. react to                D. reply to

24. A. Fortunately B. Luckily                            C. Unfortunately      D. Accidentally

25. A. free from                B. part of                            C. in place of            D. far from

26. A. not                           B. very                                C. those                    D. that

27. A. story                        B. subject                           C. instruction            D. theme

28. A. leave for                 B. care about                             C. flee from              D. live in

29. A. what                        B. that                                C. this                        D. which

30. A. a comfort               B. a failure                         C. a success             D. a pleasure

31. A. bad                          B. mean                              C. great                     D. grand

32. A. provide                   B. offer                               C. give                       D. award

33 A. custom                     B. language                       C. culture                  D. art

34. A. break                       B. spoil                                C. make                     D. develop

35. A. keep warm            B. stand still                      C. stay calm             D. stay cool