方框两个竖线接口

ABS+EBD它的作用是什么?ABS的作用和EB的作用分别是什么? CH4原电池KOH作导电物质,则正负极反应方程式我主要不懂下面这个步骤负极：CH4 + 4O2- -8e- = CO2 + 2H2O酸性溶液中相应写成：CH4 + 2H2O - 8e- = CO2 + 8H+（方程式两边加H+和H2O来配平）在碱性溶液中相 一个容器里有8升水,如何用一个3升和一个五升的容器将水分成相等的两份? 有一中用于220V电路中的节能灯,额定功率仅为1W.求通过它的电流. 有一种用于220伏电路中的节能灯,额定功率仅为1W,求通过它的电流. 望高手赐教,有有机物参加的原电池反应（如甲烷和氧气）甲烷或乙醇之类的有机物和氧气一起构成原电池的两极.（假设是中性条件下吧）很难理解有机物那一极的反应时书写规律. 求赐教为 一个圆柱形玻璃容器,从里面量直径是20cm,向容器中倒入2.4L的水,再把一块不规则的石头放入水中,这时量得容器内水深是8cm,问石头体积?急! 8个装满水的正方体容器,从里面量是8厘米,把它倒进容器是4L的长方体容器中, 长8分米,高6分米的长方体容器里装有水高3分米,将一块不规则的石块全部浸没在里面,测得水面升高2分米,这块石块的体积是多少 故宫博物院的17、18段重点介绍了什么内容 写山的古诗有什么 You make me cry...make me smile...make me feel the love is ture...... 欧洲适宜居住的国家想要去欧洲,要去美丽,治安好,物价不高的国家,而且福利要好 欧洲哪个国家适合居住? 有两个分别为3升和5升的不规则的容器,怎么用他们量出4升的水呢 欧洲哪个国家安全,治安好,适合中国人居住、在那个国家中国人不会被敌视? M10砂浆理论配合此：水泥290砂1469水241,比例是1:5.41:0.83 砂子含水率1.6M10砂浆理论配合此：水泥290砂1469水241,比例是1:5.41:0.83砂子含水率1.6如何计算施工配合比?如何计算0.34方的用量 they can help you when you are sad and they know how to make you feel better,sometimes without youhey can help you when you are sad and they know how to make you feel better,sometimes without your having to tell them there's anything wrong的意思 3.When I ________in the kitchen,nothing made me feel better than preparing the eggs and serving them just the way the customers wanted.A.worked outB.figured outC.helped outD.found out刚刚知道选C了,但是又有一个疑问,A为什么不对呢? 在备选栏里选出下面句子答语 备选栏：A.I feel sick B.I don't know C.You'd better have a restD.I'm going to England E.It's snowing heavily at the airport ( )1.You are back Why ( )2.I feel tired( )3.What's the matter ( )4.Who's there?( ) nothing much you and you know you look better with you hair striaght求意思 sorry.I just do not know how to say.I feel I am very strange.I think it was a person be better.I just do not know how to say.I feel I am very strange.I think it was a person be better.I wish you happiness.帮翻译下. 短路时,电压表和电流表怎样变化?断路时呢? 跟我做过的女人都说我的下面是世界上最大、最长、最粗的了,说做起来很舒服 ,为什么 哪国的女人最色? Is it not enough just to have a long and happy life with me Just About Enough Just About Enough,can't take anymore of you.Just About Enough,got me over the edge.Just About Enough,you don't give me what I deserve.I'm no fool,gotta get away from you.After all you put me through,Boy,I'm still in love with you.Al Since i feel you...I can\'t get enough of love..I just say that ..how i feel谁能帮帮我解释这段话的意思啊?!谢谢了! For you feel hasn't been changed,as long as you're happy,this is enough是什么意思, ABS和EBD 把一根长为1.2米、底面半径为1分米的圆柱形钢材平均截成3段,表面积增加多少?快.算式是不是3.14*1的平方*4 一条排水量为1000t的油轮在长江中航行时,油轮受到的浮力为_____N.在码头卸下了100m³的燃油,卸下的燃油的质量为____kg,油轮排开水的体积为____m³（燃油密度为0.8X10³kg/m³）