T13

T13


相关考题:

锉刀是用()T12或T13制成,并经()的一种切削工具。一般硬度为()。

Q341B18T13F3中的“T13”表示机械性能等级( )。 A.10B.8C.05

【T13】A.TEND TOB.CONSIDEREDC.ARISED.THINK OF A.IT MAY BE【T13】______FOOLISHB.MISUNDERSTANDINGS【T14】______BETWEEN PEOPLE FROM CULTURESC.NO ONE WOULD【T15】______KEEPING A BUSINESS FRIENDD.GUESTS【T16】______FEEL THEY ARE NOT HIGHLY REGARDED IN SOCIAL LIFE, TIME PLAYS A VERY IMPORTANT PART.IN THE U.S.A.【T17】______IF THE INVITATION TO A DINNER PARTY IS EXTENDED ONLY THREE OR FOUR DAYS BEFORE THE PARTY DATE.BUT IT IS NOT TRUE IN ALL COUNTRIES.IN OTHER AREAS OF THE WORLD【T18】______TO MAKE AN APPOINTMENT TOO FAR IN ADVANCE BECAUSE PLANS WHICH ARE MADE FOR A DATE MORE THAN A WEEK AWAY TEND TO BE FORGOTTEN.THE MEANING OF TIME DIFFERS IN DIFFERENT PARTS OF THE WORLD.THUS,【T19】______THAT TREAT TIME DIFFERENTLY; PROMPTNESS IS VALUED HIGHLY IN AMERICAN LIFE, FOR EXAMPLE.IF PEOPLE ARE NOT PROMPT, THEY MAY BE REGARDED AS IMPOLITE OR NOT FULLY RESPONSIBLE.IN THE U.S.【T20】______WAITING FOR AN HOUR; IT WOULD BE TOO IMPOLITE.

【T13】A.STOCKS AND SHARESB.GET INTO THE STOCK EXCHANGEC.FROM THE OLD ONED.OF TIME A.NEITHER ALLOWED TO BECOME PARTNERS IN STOCKBROKING FIRMS,NOR TO BE AUTHORIZED DEALERS IN【T13】______B.THE NEW FLOOR IS GOING TO BE DIFFERENT【T14】______C.IT IS ONLY A MATTER【T15】______D.WOMEN HAVE BEEN TRYING TO【T16】______FOR MANY YEARS THE LONDON STOCK EXCHANGE HAS BEEN FAMOUS AS A PLACE FOR MEN ONLY, AND WOMEN USED TO BE STRICTLY FORBIDDEN TO ENTER.BUT THE WORLD IS CHANGING DAY BY DAY, AND EVEN THE STOCK EXCHANGE, WHICH SEEMED TO BE A MEN"S CASTLE, IS GRADUALLY OPENING ITS DOORS TO THE OTHER SEX ON 16 TH NOVEMBER 1971, A GREAT DECISION WAS TAKEN.THE STOCK EXCHANGE COUNCIL (THE BODY OF MEN THAT ADMINISTERS THE STOCK EXCHANGE) DECIDED THAT WOMEN SHOULD BE ALLOWED ONTO THE NEW TRADING FLOOR WHEN IT OPENED IN 1973.BUT THE "CASTLE" HAD NOT BEEN COMPLETELY CONQUERED.THE FIRST GIRLS TO WORK IN "THE HOUSE" WERE NOT BROKERS OR JOBBERS.THEY WERE【T17】______.THEY WERE SIMPLY JUNIOR CLERKS AND TELEPHONE OPERATORS. 【T18】______.SEVERAL VOTES HAVE BEEN TAKEN IN "THE HOUSE" TO SEE WHETHER THEMEMBERS WOULD BE WILLING TO ALLOW WOMEN TO BECOME MEMBERS, BUT THE ANSWER HAS ALWAYS BEEN "NO".THERE HAVE BEEN THREE REFUSALS OF THIS KIND SINCE 1967.NOW WOMEN ARE ADMITTED, ALTHOUGH IN A VERY JUNIOR CAPACITY.TWO FORMS OF JOBBERS MADE AN APPLICATION TO THE STOCK EXCHANGE COUNCIL TO BE ALLOWED TO EMPLOY GIRL CLERKS.PERMISSION WAS FINALLY GIVEN.A MEMBER OF THE STOCK EXCHANGE EXPLAINED AFTER THIS NEWS HAD BEEN GIVEN, "【T19】______.ALL THE JOBBERS WILL HAVE THEIR OWN STANDS, WITH SPACE FOR A TELEPHONE AND TYPEWRITERS , THEREFORE THERE WILL HAVE TO BE TYPISTS AND TELEPHONE OPERATORS.SO WOMEN MUST BE ALLOWED IN." THIS DECISION DID NOT MEAN A VERY GREAT VICTORY IN THE WAR FOR EQUAL RIGHTS FOR WOMEN.HOWEVER, IT WAS A STEP IN THE RIGHT DIRECTION.THE CHAIRMAN OF THE NEW BUILDING WILL EVENTUALLY LEAD TO WOMEN BEING ALLOWED TO HAVE FULL MEMBERSHIP OF THE STOCK EXCHANGE.【T20】______; IT MUST HAPPEN.

【T13】A.SEE THE WORLDB.ALIEN TOC.AT RANDOMD.LIVE IN A.RESIDENTS IN THESE COMMUNITIES WERE PHONED【T13】______AND ASKED THE SAME QUESTIONSB.WHY THE "STANDARD TEMPLATES" OF THE NEWSROOM SEEM【T14】______MANY READERSC.JOURNALISTS ARE MORE LIKELY TO【T15】______UPSCALE NEIGHBORHOODSD.MOST JOURNALISTS LEARN TO【T16】______THROUGH A SET OF STANDARD TEMPLATES BUT THE SOURCES OF DISTRUST GO WAY DEEPER.【T17】______(PATTERNS) INTO WHICHTHEY PLUG EACH DAY"S EVENTS.IN OTHER WORDS, THERE IS A CONVENTIONAL STORY LINE IN THE NEWSROOM CULTURE THAT PROVIDES A BACKBONE AND A READY-MADE NARRATIVE STRUCTURE FOR OTHERWISE CONFUSING NEWS. THERE EXISTS A SOCIAL AND CULTURAL DISCONNECT BETWEEN JOURNALISTS AND THEIR READERS, WHICH HELPS EXPLAIN【T18】______.IN A RECENT SURVEY, QUESTIONNAIRES WERE SENT TO REPORTERS IN FIVE MIDDLE-SIZE CITIES AROUND THE COUNTRY, PLUS ONE LARGE METROPOLITAN ARE-A.THEN【T19】______. REPLIES SHOW THAT COMPARED WITH OTHER AMERICANS,【T20】______,HAVE MAIDS,OWN MERCEDESES, AND TRADE STOCKS, AND THEY"RE LESS LIKELY TO GO TO CHURCH, DO VOLUNTEER WORK, OR PUT DOWN ROOTS IN A COMMUNITY.

硬度和耐磨性高,但韧性较差,适宜制造不受冲击工具的材料是()。A、T8B、T10C、T11D、T13

常用的高速钢牌号是()A、CrWMnB、9SiCrC、W18Cr4VD、T13

锉刀是用()T12或T13经()后再制成的。

锉刀用碳素工具钢T10A、T12A或T10、T12、T13制成,并经过热处理(),锉刀的()在HRC62~67之间。

下述钢中强度最高的是()。A、T8钢B、45钢C、65钢D、T13钢

锉刀是使用低碳工具钢T12和T13制成。

锉刀是锉削的刀具,一般用T13或T12A制成。

碳素工具钢(T13)做锉刀的最终热处理工艺是()。A、淬火(不必回火)B、淬火+高温回火(500~650℃)C、淬火+中温回火(350~450℃)D、淬火+低温回火(160~200℃)

下列零件及工具如材料用错,使用过程中会出现什么问题? (1)把Q235钢当作45钢制造齿轮。 (2)把20钢当作T13钢制造锉刀。

《建筑装饰装修工程设计制图标准DBJ/T13—123—2010》中规定:建筑装饰装修工程制图的比例,常用比例为()。A、1∶20B、1∶50C、1∶100D、1∶200

《建筑装饰装修工程设计制图标准DBJ/T13—123—2010》中规定:绘制建筑装饰装修工程图时,出现下列哪些情况可不采用建筑装饰装修材料图例,但应加文字说明:()A、一张图纸内的图样只用一种图例B、图形较小无法画出建筑装饰装修材料图例C、图形较复杂,画出建筑装饰装修材料图例影响图纸理解D、不同品种的同类材料搭配使用时,占比例较多的品种

电气设备最高允许表面温度()℃引燃温度组别T13有过负荷的设备。A、110B、120C、145D、160

锉刀一般用T12—T13碳素工具钢制成。

问答题材料库中:42CrMo,GCr15,T13,60Si2Mn.要做锉刀,齿轮,汽车板簧选,材热处理方法及组织。

问答题材料库中存有:42CrMo,GCr15,T13,60Si2Mn。现要制作锉刀、齿轮、连杆螺栓,试从库中选材,并说明采用何种热处理强化?指出使用状态下的显微组织。

名词解释题T13

判断题由于T13钢中的含碳量比T8钢高,故前者的强度比后者高。A对B错

单选题碳素工具钢(T13)做锉刀毛坯机加工前的热处理是()。A球化退火B完全退火C扩散退火D不完全退火

填空题在正火态的20钢、45钢、T8钢;、T13钢中,()钢的HBS值最高。

多选题建筑装饰装修工程设计制图标准DBJ/T13—123—2010》中规定:建筑装饰装修工程制图的比例,常用比例为()。A1∶20B1∶50C1∶100D1∶200

问答题下列零件及工具如材料用错,使用过程中会出现什么问题? (1)把Q235钢当作45钢制造齿轮。 (2)把20钢当作T13钢制造锉刀。

填空题锉刀用碳素工具钢T10A、T12A或T10、T12、T13制成,并经过热处理(),锉刀的()在HRC62~67之间。