图示进油调速回路,已知液压缸的有效面积A1=2A2=50cm

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渔轮2000是什么意思 本人想买一个海竿 但是我对买海竿不了解 不知道应该用什么样的渔轮 那渔轮有4000金属轮本人想买一个海竿 但是我对买海竿不了解 不知道应该用什么样的渔轮 那渔轮有4000金属轮 3000金 英汉互译:1.have fun 2.a busy street 3.next sunday 4.take a taxi 5.turn left 6.have a good trip全部翻译成中文 记得把序号标上哈! 有command sth.of sb.这个词组吗? what u up what you up what's up to you 什么意思跟what's up不一样,好象是这样! 一箱土豆在转盘上随转盘以角速度ω做匀速圆周运动,其中一个处于中间位置的土豆质量为m,它到转轴的距离为R,则其它土豆对该土豆的作用力为 一箱土豆在转盘上随转盘以角速度ω做匀速圆周运动,其中一个处于中间位置的土豆质量为m,它到转轴的距离为R,则其它土豆对该土豆的作用力为 .一箱土豆在转盘上随转盘以角速度ω做匀速圆周运动,其中一个处于中间位置的土豆.一箱土豆在转盘上随转盘以角速度ω做匀速圆周运动,其中一个处于中间位置的土豆质量为m,它到转轴的距 一箱土豆在转盘上 《惠崇春江晚景》中的“春江晚景”是 A.惠崇写的一首诗 B.惠崇画的一幅画 C.惠崇所居住的地方 惠崇春江晓景是惠崇的一幅描绘什么的画 前面 接着 最后 电势能增加,电势一定增加吗如题 There is a park next to the supermarket用no做否定句怎么做?急死了! 怎么判断电势的高低与电势能的高低? no matter what she does,she will spare no __ to do it well.A efforts B effects C affects D energy为何选A Ido not know what I should do about going to Jenny is part (改为同义句)I do not know ____ ____ ____ about going to Jenny is part Does it matter much ____ the sales manager won't attend the meeting tomorrowif what when that does it matter_____ will represent us to attend the meeting?A you think whoeverB who do you thinkC you thinkD who you think能不能告诉我为什么不能选B? I hardly don't know anything about the weather science(有一个错误) 用前面、接着、最后造句 i have some science questions.if u know english and science ,just come and help meWhat is heart attack caused by what system or oragans does heart attack affect?Give a short description of what heart attack is?what are the symptoms or problems that s 英语翻译keep the big cost small 前面接着最后怎么造句 翻译availability of 莫名其妙的名什么意思? He is much too busy to look after his old 一定要准确 I“ spead as much as time as I can___after the flowers {是选to look 还是looking?}为什么? The factory pay him much and he is too busy to look after his family 怎麼翻译 前面...接着...最后...造句速速求答案.最好长一点的,