传送带物体摩擦力方向

汽车散热器芯体成本计算公式请问,汽车散热器的主要部位---芯体（芯长*芯宽*芯高）.如何根据这三个参数计算出芯体的成本.公式是什么? they __ to have discovered a cure for cancer.a claimb exclaim c.complaimd concentrating how many years will have to pass___scientists succeed in providing a cure for cancer?a,before b.until 为什么选before而不是until.放进去都能翻译通啊? 爱在世界末日前怎么翻译 “What matters most is how you see yourself fly away on the wings of the wind给个下载地址100拿走,要完整版的古典音乐,貌似是门德尔松的 He decided to go to the island by boat.(改为同义句）He decided to - a boat - to the is;and;是l He decided to go to the island for a trip by boat (同义句转换)He decided to( ) a boat ( )( ) the island He will go to london by boat 改为同义句 What really matters most? 这男孩好害怕他的英语老师.The boy ____ ____ ____afraid of his English teacher. 对你的英语老师的日常生活你了解多少?____ ____you___ ___the daily life of your English teacher?1.对你的英语老师的日常生活你了解多少?____ ____you___ ___the daily life of your English teacher?2.爸爸会一,两周之后 something to tell you.是什么结构?I have something to tell you.后面的to tell you 算不算是动词不定式短语啦?to tell you 跟somthing 之间的关系是?看来，是后置定语，还是宾语补足语，呵呵。 You are my heart,and I just love you as an individual,you are my everything. Would you like to do是什么意思 'Memories of the past will become a memory.汉意 She doesnot k____much English.But she is trying h____to speak it.填写什么,今天就要 some english quetion!thx27.Although Mo Yan _____ one of the top domestic LITERATURE awards before the Nobel Prize,he is not the most popular novelist in China.A.entitled B.had ENTITLED C.was entitled D.has been entitled answer is C i chose B30.Ice Ho 51.The first two items of this contract are especially _____ of notice.A) worth B) worthy C) worthwhile D) worthless Cherish the eye people of the to cherish the memory of; to miss the presence of汉语意思 She tried to explain the situation,saying'It's only me' 这里为什么是saying(新概念3 13课） she tried to explain the situation,saying,"it's only me',but it was too late.请问,为什么say加ing 看看这句怎么才能翻译的很通顺 You're wasting your time trying to explain the situation to him. English question!帮我答下~Mary's husband is the grandfather of my son,who am 如何纠正孩子课外阅读的坏习惯? 笔记本电脑的功率一般多大? 如题.post 以及to spring up的解释及用法 最好附有例句 break up post 与put up的区别 如何改正粗心的坏习惯? 家长怎么纠正孩子的马虎的坏习惯?女儿做题总是很马虎,做得时候马虎,完了之后也不检查,说再多也不管用,有没有什么好的方法能够纠正她呢