压力容器分类标准

ALL RIGHT ,THAT'S ALL RIGHT,THAT'SRIGHT的区别和意思分别是什么 I must do my best not to try my best和I must do my best not try my best哪个对? my family aer going to get together and have a big dinner是什么意思my family aer going to get together and have a big %D%A 第3,6, 第6、第7题注意：这是北极. 看看这道地理题如何做.6题7题 what is the difference between 'seem to do sth' and' seem doing sth'? what 's the difference between start to do and start doing （）然.组词!要4个! 快组词4个 make什么时候后面加adj.什么时候加adv. what's the difference between drawings and paintings? is后面什么时候接adv.adj 什么引起 SMN1基因外显子7纯合缺失第胎得了“SMN1基因外显子7纯合缺失”这病,第二胎再得这病的几率有多大?能怎么样预防? 四怎么组词 What I fear 2.What is the net force on an apple that weighs 1 N when it is at rest in your hand?When you rele2.What is the net force on an apple that weighs 1 N when it is at rest in your hand?When you release it?I don't need the explain,I need the question answ 启动子中含有外显子或是内含子吗? have forSister,what do you usually breakfst?Mymother give youan rose.What happy you? safe adj adv v nsafe的adj adv v n 请问谁有泰国电影 yes or no 的高清完整版 发给我 1787773705@qq.com Jim prefers traveling by bus.对traveling by bus提问 全国高中生物竞赛省二等奖可以参加自主招生吗? 全国生物联赛要拿省一要看什么书?我是北京的,请业内人士推荐,根据回答情况我会追加高分 the sick and aged 怎么翻译比较好 翻译:Busy for living, or busy for deathHIS JUDGMENT COMETH AND THAT RIGHT SOON里的对白两句 组胺是什么?无论什么过敏身体都会释放组胺吗?看了百科以后依然不太明白,语言通俗一点最好. 未来的世界将会是怎么样的美好和平 谁知道下列单词的比较级于最高级cheapnew closefriendly expensivepoper 求下列单词的比较级和最高级.dangerous horrible excited boring slowly 什么是组胺?什么是抗组胺?什么是抗组胺受体? 请问什么是抗组胺剂?是不是就是抗过敏药?