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根据P=I2 R 电阻增加功率应该增加为什么变压器减少涡流要用电阻率较大的材料 ARTIFICIAL FLAVORS是什么意思? artificial marble是什么意思 为什么电抗器的线圈里的铁芯要和上下夹件绝缘?电抗器里有电阻吗?还有绝缘板在电抗器里的作用,是防止短吗? Look!he is l____on the ground 电抗器里的线圈和铁芯会发生短路吗?什么情况下会发生? 一般过去式was后加动词原型还是什么形式? 求助高考英语作文 自己写的 As we all know,where we choose to work influence the quality of life we will live.So,it is important for us to make the decision,whether to work in citys or countrysides?Working and living in citys have some adva 帮个忙!请把五年级苏教版装满昆虫的衣袋第五小节打出来! 苏教版小语五年级下口语交际:请你帮个忙春游登山,有坡请同学帮忙 英语中WAS里动词用原形还是过去式呢 spaceship的意思 spaceship是什么意思? "spaceship"是什么意思? unmanned spaceship什么意思~ I heard that you really had a wonderful time at John’s birthday Party,hadn’t you?为什么 hadn’t 是错误的? we are all for your proposal that the discussioin is to be put off.A are B for C that D is to be put off. 英语挑错题If any signer of the Constitution (was A) to return to life (B for a day),his opinion (C of) our amendments (would D) be interesting.是说A 为什米呢? ..All the students like cheongsams except Sally and me 这句有什么错噢 ..找了半天愣是没找出来 .. 前天考专八,写作文时,看到快要交卷子了,然后我就马上结了个尾.字数才300左右.字数不够怎么扣分啊?作文结构应该算是很完整的. There is a bus every at the ten minutes two years ago.哪错了, It\'s just the beginning,not the ending. It seems to be an ending but a beginning. it s not ending mp3 南极洲的面积约多少? 南极洲的面积大约是多少? l walk there这句的提问是what( ) ( )什么? l walk there这句的提问是what什么? Song Yang’s story.Today mang people who live in Jinan still _______ a man named Song Yang.They ______ him very much.They think he is ______ _______ _______ driver in Jinan.Last spring,Song Yang ______ ______ the bus along the highway _______ he ___ there is a problem with your account that you need to resolve before signing什么意思 A:I()a photo B:()()have a ().oh,()is he?A:()my cousin.B:()()is he?A:()is 12.()this your cousintoo?A:(),sheis.()twins B:()()classmates?A:yes,()() 德语里jetzt怎么用