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转盘轴承的字母都有那些含义啊 轴承NU2313EC是什么含义,字母分别代表什么 cut up,cut in,cut off,cut down有什么区别? cut up?cut out?cut off?cut out?"you are not ____for this job," the manager told one of his employees. cut down/up/out He was cut ______ in his prime by cancer.a.off b.down c.out d.up越来越不懂了，词霸上的例句，用CUT OFF 和CUT DOWN 都有，到底选哪个啊？1.Many young soldiers were cut off in their prime.许多士兵都英年 pick up,pick out,pick off,cut off,cut down ,cut up编一段话 cut down\cut out\cut off\cut through 的区别? 世界一共有多少个国家,多少个城市? loading date,shipment date,delivery date,发货日期,装船日期,他们有什么区别,哪个先,哪个后. ORDER DATE ,Shipment date ,shipping sample date ,loading date这些日子是怎么区别的 Delivery Projected Delivery Date的意思请问Projected Delivery Date是指发货时间呢还是指收到货物的时间? Cut down there will be fewer trees in the future if people cut down trees?改为疑问句 If people cut down more trees,the wild animals will have nowhere to live同义句 If people cut down more trees,the wild animals ------- have ---------- --------- ------------- ----------------. cut down and burn a lot of trees什么意思? If the farmers cut down all the trees,the birds will have __ A nowhere to live B nowhere to live in 中文短语的定义是什么?中文短语分为很多类,但是短语的定义很少书籍有介绍~ 请问以下几个短语的中文意思as through as ifif onlyonly if 全世界共有多少个国家?多少座城市? 轴承6002-2RS各字母和数字含义 轴承的数字代表的意义是什么是否可以举例说明一下详细的代表意义 轴承SKFNNCF5015BV中每个字母及数字代表的含义?轴承INA SL185015A中各字母及数字含义?区别? 英语翻译主要是解释一下“time-slot", come What are the differences between British English and Amercan?What are the differences between British English and Amercan English He spends much time s___ the differences between American and British English. 把下面描写优美环境的词语填写完整湖（）山（）江山（）（） 填空补充词语 美妙（ ）（ ） ( )容华美 词语填空 遇水着火的化学物品是什么? 热油遇水为什么回着火?