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We are in the middle of a free way 一些硫化物的颜色问题 硫化物哪些是沉淀?有规律么?3Q 盐中一定含酸根离子,但不一定含金属离子.这句话是对还是错 I'm in the middle of a tour right now. 硫酸铬怎么氧化成六价铬 when all the homework____you may go out to play为什么要用is finishing好吧、~is finished Only when he has finished his homework he is able to play ,如何变为半倒装,应为is able to he ...Only when he has finished his homework he is able to play ,如何变为半倒装,应为is able to he play 还是is he able to play 为什么 平面磨床磨头异声M7130不面磨床,主轴早上加好油,磨了两小时后,里面发出翁翁的声音,还伴有振动.是什么问题,肯定不是没润滑油. 平面磨床磨头不走什么原因 平面磨床怎么设计往复式磨头 you could believe me,but you could not believe all the people in the 求教!关于平面磨床的磨头有效行程.工件宽为375mm,磨床的吸盘为320mm,磨头行程够不够,能不能磨?请大侠们赐教! I believe I can fly You will see .中文的意思只是不明白这句话的意思 ok i call u later insert into REC_OVER(ORG_ID) select '1' from dual where not exists (select ORG_ID from REC_OVER )insert into REC_OVER(ORG_ID) select '1' from dual where not exists (select ORG_ID from REC_OVER ) 请问oracle里这样的语句,为什么在sql/plus可 Sorry,I'll call u later是什么意? triple triple kill penta kill ace 急性酒精中毒有哪些毒作用机制? 急性酒精中毒要多久才会醒 Last Monday I went to the park with my mun,__did you to with?怎么填? 辨析：agree with,agree to和agree on并个造一个句子 如何界定“醉酒”和“急性酒精中毒”?什么情况下可以画等号?如何界定“醉酒”和“急性酒精中毒”?什么情况下：“醉酒”=“急性酒精中毒”可以画等号?是否可以举例说明? 穿越火线中四连杀OUAGE KILL怎么读大家如果不好写音标的话,写中文注音也可以, CF二连杀的英语怎么感觉不对啊,就是Double Kill好像猎狐者二连杀时不是读的这个Double Kill啊?应该不是double kill 可能弄错了,是其他的单词吧,求正确的 Hungry中文什么意思 hungry 的汉语意思 cost的中文意思 hungry`的中文 Hungry的中文 ‘go hungry’的汉语意思是什么? The conference will strengthen linkages between the two countries.为什么linkages要加“s”