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电动三轮车 供电电压60V 电机功率1000 W 控制器与其配套 现象改用 72V 供电 请问需要做什么改动? 什么动物的毛又粗又硬 rent 和lease 有什么区别? 英译汉 句子【I was balanced on the edge of that bridge for ages in the dark,】 trying to make up my mind to throw myself into the river and drown myself. But now I’ve changed my mind.”主要是括号里的 麻烦了 hire /rent /charter区别如题.具体点. 全国统一价用英文怎么说? 请问rent和borrow有什么区别? 区别“租”的几种说法hire,rent,lease 矩形ABCD的对角线AC.BD相交于点O,P 为矩形外一点,且AP垂直PC,求证PB垂直PD.没图 如图,AB、CD是圆中两条互相垂直的直径.点P是弧AD上一动点（不与A、D重合）,连AP PD PC,求(PC-PD)/AP的值 电生磁 如何辨别磁针的北极 句子 英译汉小弟这有几个句子,谁能来帮我翻译下1.I invited some people to the party 2.Ann is wearing a dress 3.you had to some work 4.you lost some keys yesterday 5.we hired a car 6.you are good to see a film 7.Tom recommended to ho 人教PEP版五年级上册英语练习册答案 有关高中生物反应的ATP哪些过程是产生ATP的,又有哪些过程是消耗ATP的,还有哪些过程无须消耗ATP的,越详细越好,帮忙归纳下...该如何理解记忆.. “生物体内凡是涉及物质合成的反应都生成ATP”,这句话对吗? 汽车如果在绝对光滑路面上行驶时,是只有一个轮子转动吗?(如后驱)谢谢相告汽车如果在绝对光滑路面上,起动时是只有驱动轮一边的轮子转动吗?(如后驱,只有一个轮子转到） 结婚狠多次的女人,用一四字成语形容 汽车轮子陷在沙坑里怎么办 形容女人心狠毒辣是什么成语 英译汉句子There isn't a single mistake in her test.是应该理解成“她的测试中一个错误也没有”还是“她的测试中的错误不止一个”?理由要充分. 知道单相电机铁心长度,铁心外径,槽数和极数,求计算线径和匝数的计算工式 关于人格修养方面的成语 人格修养的成语并附成语意思, 形容人品性正直的成语 写人格修养的成语 如图,在梯形ABCD中,AD∥BC,∠B=90°,AD=2,AB=6,BC=3,CD=7,问：在腰CD上是否存在点P,使AP⊥BP 若存在,求出点P的位置；若不存在,请说明理由 电机如何跟据铁心长度算瓦数 知道电机铁心长度为85MM铁心内径为72铁心外径为130每联匝数是74；绕线模的开距该调多少?是不是调到72MM;就可绕线圈了? 几个句子求英译汉【 】I remember seeing fires in the distance.I remember that the house shook.If I remember rightly,we weren't supposed to do that.The first thing I remember was the sound of the planes.I'll never forget hearing that sound.I 英译汉几个句子,不要翻译翻译的,翻译出来老师说的不对And Tokyo metropolitan expressways as well as Tokyo subways and suburban rail services were also closed following the quake.But no big collapses were reported in Tokyo expressw 把一个近视镜放在凸透镜前,蜡烛透过近视镜和凸透镜在光屏上成一个清晰的像.把近视镜拿走后,像变模糊了,要怎样做才能使像清晰,为什么? 几个英译汉句子1.The speech by the mayor of Shanghai before the final voting for EXPO 2010 is strongly impressed on my memory.2.The sunlight came in though the windows in the roof and lit up the whole room.