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谁知道钢筋抽样公式中的那些字母都代表什么意思?下部钢筋下部钢筋长度＝净跨长＋左右支座锚固值以上三类钢筋中均涉及到支座锚固问题,那么总结一下以上三类钢筋的支座锚固判断问题 钢筋里,还有别的字母么?分别表示什么? 钢筋分ABCDE是指什么?HBp是冷轧钢筋吗?不是说H开头的字母代表热轧吗?一级钢筋（235/370级)是什么意思? mechanism和 machine的区别? The 11th World Congress in Mechanism and Machine Science 求《Mechanism and Theory in Organic Chemistry》上下册哪里有出售《Mechanism and Theory in Organic Chemistry》上下册的? 钙的元素符号是什么呢. 钙离的元素符号 +2价的钙元素符号是? 零价的钙元素符号 2个钙离子元素符号是什么? 请写一篇英语作文 My friend如题. 阿尔伯特.爱因斯坦他本人写过一本解释相对论的书,叫《The Special And The General Theory 17th ed》,问问一下这本书的中文译名是什么?知道的回答,不要把用翻译软件翻译的结果给我,不然我就不会在 THE GENERAL THEORY OF EMPLOYMENT INTEREST AND MONEY怎么样 Whether the condition is special or general?请问这是个疑问句吗? he is nothing special.he's only the average man .为什么不用common 或是general.可以用common或是general 代替average么？ In theory,this numerical attack can be employed for the most general case.怎么翻译 清朝政府签的香港给外国不平等条约是什么 谁能告诉我中国清朝签的不平等条约现在还有效吗? 请帮手翻译一下英文句子句子如下： Dozens of Mexican nationals who were quarantined at hospitals and hotels in China despite showing no symptoms of swine flu headed home early Wednesday on a government-chartered jetScheduled to land 英语翻译who can say where the road goes,where the day flows?only time... 英语翻译这件事等加薪后再说。 英语翻译Good morning,teacher,my name is DongXiao,I come from No.2 high school SuiZhou,HuBei.It a pleasure that I can take this test,In fact,I was a bit nervous before I came here,but now somehow I feel relaxed,Because I know this is not a flight MARKOV CHAINS THEORY AND APPLICATIONS怎么样 IET Control Theory and Applications 期刊在华中科技大学的期刊分类中属于SCI B类还是C类? rationalization at a price 指的什么理论?例句：While this first category of rationalisation at a price theory focuses on the loss of quality of decisions,other theories within this category accept that the use of,for example,expert systems,ca 英语翻译简练准确地翻译成英语, 走在一起是缘分 一起在走是幸福来自哪里? 走在一起是缘分,一起在走是幸福.用英文怎么表达了 1#锌锭 与0#锌锭 做的氧化锌有什么区别 0号锌锭和1号锌锭有什么区别如题正确的话可以多加分最好是一些简单的办法就可以分辨出来例如 肉眼识别等等 锌锭3#与5#有什么区别