900÷25简便计算

翻译：You may depend on his doing what he says,for he is a person who always keeps his words. 长江三峡地处长江上游和中游的分界,水能资源丰富 为生么是错的 三峡水利枢纽的位置那里为什么水能资源丰富? 冰箱 雪种是什么 600A雪种华凌178L冰箱如何才能彻底抽干净里面的空气?修一台用600A雪种的华凌178L冰箱,因铜铝接头和防露管、散热器都有漏,只好重新盘管,蒸发器用全铜管,挂市售散热器长1.5米.下层冷冻室三层 白雪冰柜质量怎么样 600a冰箱的平衡压力是多少度确定为0.25mp的 The fat man always says his meat looks____and sells ____.A.good,good B.well,well C.good,welllD.well,goodIt seems that men are_____making computers than womena.better at b.good at c.well in d.weak inThe sign on the well means you ___stay away from the 液压与气压传动三、回答下列问题：1． 分别画出采用节流阀的进口节流、出口节流和旁路节流三种调速回路简图.2． 在这三种回路中,压力阀分别起什么作用?3． 在这三种回路中,若负载恒定 although in his eighties,my grandfather is still ___.He always says he is the happiest man__.A.living;alive B.living;live C.alive;alive D.alive;live选哪个为什么? The old man says that his pizza testes ___ and sells___ A .good good B.well well C.well good D.good well 选择 He always says that he is a good man.中的that具有什么意义呢?是否可以省略? He is a man who always means what he says.这句话的means怎么解释,如果这句话这么说对不对?he is a man who he says always means.如果不对,为什么? 请问红虎眼石有什么功效?如何鉴别虎眼石的真假?虎眼石是不是不容易造假?价格一般在多少 红虎眼石和蓝虎眼石哪个好 虎眼石有什么功效啊?虎眼石的手链一般佩戴左手还是右手? 虎眼石手链有什么作用? 虎眼石有什么作用 电压互感器放电多大电容器的容量 电压互感器可以作放电线圈用吗?多大容量内的电容器可以用呢? 成套装置电容器组的放电线圈 容量为1.7 放电容量可以达到多少?该怎么计算? 划船时,人用桨向后用力划水,船为什么能前进? 划船时,桨向后划水,船才会向前行驶;溜旱冰时,相对静止的两个人,只要一个人用力去你留意过以下事实吗 如:划船时,桨向后划水,船才会向前行驶;溜旱冰时,相对静止的两个人,只要一人用力去 划船时,要使船向前进,必须用浆向后划水,要使船向后行,必须用浆向前划水,试解释这个现象 划船时用木桨向后划水,船就前进,使船前进的力是? His father says that he has never regretted____ his son to study abroad.A.to send B.sent C.to be sent Dsending为什么?相关知识. The shop manager always says to his assistants,"We can never be选项customers.A.so B.too C.that D.more We will always be together,and our love will never die my father is always ready to help others,never__(refuse) them "Never for a second"the boy says," did I doubt that my father would come to my rescue请翻译这句话 两线制压力变送器如果输出电流略小于4mA,是什么原因?输出电流略大于20mA,又是什么原因呢?两线制压力变送器的输出电流应当是4～20mA, 电子由半径大的轨道跃迁到半径下的轨道为什么电场力做正功?