4.如图所示，两个结构和尺寸均相同相互串联的液压缸，有效作用面积A1=100cm2，A2=80cm2

I dont believe so 和I believe not的区别 “remark” 英翻译为汉语什么意思?“remark” 英翻译为汉语什么意思? ［employee］帮忙翻译几个英文句子,要人工哦～谢谢!1.the business may decline if it hires people for entire lives.2.to avoid this, a business must hire new employess after the current employee's term is over.4.it cannot hire fresh tal An employee in the city council at Birmingham.英语翻译 deep fried chicken joints是什么意思 My father paid 100 thousand yuan for the new car.的同义句... We conceive of the family as being in a constant state of change...连续不断的变化可以写成 constant change of state 连词成句.is,the,grass,there,park,any,in,) There,a,deer,is,grass,the,in(怎么连词成句) 连词成句to,his,feed,has,cat,morning,TOM,every,符号：. Tom usually sleeps for eight huors every night（对划线部分提问） ————————— —— —— Tom usually sleep every night?for eight huors是划线部分 how many hours 开头不行 开头只有3个空格 break the 10-dollar bill的意思 it's an honour to meet you为什么要用AN,不用行不行,为什么? executive director是什么意思 It took Lucy haly an hour to draw the picture.(改为同义句）It took Lucy haly an hour to draw the picture.(改为同义句） It's kind of you ___(invite)me to the party还有：He didn't come because of his ___(ill)Is he good at ___(dance) from...till的意思,以及用法. from.till 顺便帮我说一下 I shall not hear from him till tomorrow 请将stand,for,big ,they,together,family,all,a ,photo,(.) 连成句子 he is an 8 years old boy 为什么不对 有5个连词成句!by,school,Sam,to,go,bike,does?i有5个连词成句!by,school,Sam,to,go,bike,does?it,way,to,happened,on,what,the?a,person,is,nice,to,with,she,very,work.for,some,yesterday,books,brother,Peter,bought,him.you,class,which,in,tell,be,me Did you use to be afraid of the dark?为什么要用Did而不用Were.afraid不是形容词吗？为什么be afraid当做动词 I am also a 急用! I'm going to fish by a lake.可以吗?句子成不成立,看见的人快回答 你正在看什么?我正在看一条美丽的鱼儿.What are you _____ ______?I'm _____ _____ a _____ fish. he has been a good storyteller since he was a young child.为什么不是had been 英语 THE SPORT MEETNG HAS BEEN PUT OFF BECAUSE OF BAD WEATHERof后面要不要加the,为什么 till,untill用法及区别,请多给例句. till & untill 的用法区别,比如：The quotation is valid (till,untill) march 1,2008. Lily heard her mother ---her at that timeA.calledB.callC.to callD.calling请问at that time是标志性词语吗 频谱利用率是卫星还是什么?为什么是政府划分? 晨曦小账本怎么用啊,怎么填?