七氟丙烷气体灭火

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去欧洲用什么语言 欧洲一共用了多少种语言啊 组胺是什么 上面一个大字,中间一个王字多两点,下面一个田字念什么? 上面大下面王是个什么字?我是在《中国文化史》第262页中看到的原文如下:又《师()父鼎》:“王呼内史驹‘册命师()父’.” Whose在定语从句或宾语从句中一般有哪几种意思还有比如where和which等,怎么使用这些词 Whose box is it on the floor?(I am not sure)改为宾语从句 she was ( ) cry by his words.他被他的话弄哭了,请问( )该填什么词, you,nice,see,to 该怎么改成一句通顺的句子 Please______late again.A.A.don't B.not C.don't be D.not be You are just different from the word she speak to me and speak.是什麽意思?... she just a b.do not speak to Don't care about other people's words.Oneself live happy is 是接着前面一句的 Please don't be late again 是的,怎样用英语回答是用Yes,i won't.还是No,i won't please don't ( ) again. A.be later B.late C.later D.be late 说出下列单词的比较级和最高级1.cool2.wet3.late4.easy5.large6.old7.tall8.lazy9.heavy10.lucky11.fat12.thin13.big 英语翻译全文译文 英语翻译关键这个carry怎么翻译?好奇怪 翻译《韩非子.外储说右下》 德语War alles halb so schlimm! 德语:Alles war er sagte,war richtig.这里,前一个war是用于引导从句的意思吗? our school have an art festival this trem改错 go far into the .1楼的,,far去哪儿了? 组织胺是自由扩散?是么? 如何申请UCLA的SUMMER SCHOOL? 关于申请summer school本人现在大二,准备留美读研,想参加summer school锻炼一下!有达人可以指点下吗,现在晚不晚?已经办了护照了。签证等什么都没有准备!现在该怎么办 What I want is very simple,but you still give not.Therefore I thought of a person's life.Please gWhat I want is very simple,but you still give not.Therefore I thought of a person's life.Please grant my UCLA Summer School都有哪些课程啊,有谁知道怎么申请的吗? “组胺”是什么? In fact l want is very simple —to carebout.But is 一个德语句子用了完成时为什么不用war?Sie sind zwei Tage bei ihm gewesen.这不是表示他们在他那里呆了两天吗?这表示已经过去的事,为什么不用waren?还有一个类似的困惑:Ich bin gestern Abend um 7 uhr ins It be heaven to have the your place. 是什么意思 Front to back 是针对信用证的FRONT TO BACK DC:Issuance of the DC is subject to the support of a master DC to be issued in our favour (the "Master DC") and we undertake to lodge with you the original Master DC forthwith upon receipt of the sam