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1. 表述顺åºçè¯
2. 主å¨è¯æå被å¨è¯æçéæ©
3. æ»åæ»çåä½å½¢å¼
4. æç®åå¥å为å¤æå¥çæ¹æ³
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1.表述顺åºçè¯
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a.The process starts from doingâ¦
b.Doing â¦is the first step/ stage / phase.
c.At the beginning of â¦
d.At the first/initial stage, + å¥å â at the packaging stage, + å¥åï¼
æ¤å¤çat the packaging stageå®é
为at the first stageçåå½¢ï¼ éè¿ç¨packagingæ¥ä»£æ¿firstlyï¼ä½¿å¾å¯¹é¶æ®µçæè¿°æ´å ç²¾åã
e.Next/after that/ followed by/ before +doing
f.The life cycle begins again.
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2.主å¨è¯æå被å¨è¯æçéæ©
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3.æ»åæ»çåä½å½¢å¼
å¼å¤´æ®µï¼According to the diagram , the process of cement production can be divided into four steps.
ç»å°¾æ®µï¼Overall, cement production consists of four stages, starting from crushing materials into powder and ending at bagging cement.
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4.æç®åå¥å为å¤æå¥çæ¹æ³
å¾å¤èçåé¦å¨æµç¨åä½è¿ç¨ä¸ï¼å
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a. åè¯ç»æ(before +doing)
(1)Powder is placed on the conveyor belt.
(2) Powder is ground by the grinder.
Power is placed on the conveyor belt, before being ground by the grinder.
b. ç¶è¯ä»å¥(onceï¼ until)
Ingredients are rotated in the concrete mixer, until they are turned into concrete.
Once ingredients are rotated in the concrete mixer, they are turned into concrete.
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