Unsaturated polyester resin (UPR) wastes pyrolysis was cracked to prepare feed stock, and process conditions of catalytic cracking reaction were introduced systematically.

对不饱和聚酯树脂(upr)废料裂解制原料油技术进行了研究，系统地考察了催化裂解反应工艺条件。

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A Long does not have much choice. This six-year-old has to prepare his own meals, wash his clothes, feed poultry - he basically has to do everything by himself.

阿龙没有选择。这个六岁大的孩子只有自己做饭自己洗衣服自己喂家禽所有的事都得靠他自己做。

youdao

A Long does not have much choice. This six-year-old has to prepare his own meals, wash his clothes, feed poultry -he basically has to do everything by himself.

阿龙没有选择。这个六岁大的孩子只有自己做饭，自己洗衣服，自己喂家禽，所有的事都得靠他自己做。

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During these periods reporters from accredited media organisations (some of which have big data-feed businesses) get an early look at the new number so they can prepare detailed articles to be distributed at the moment of official release.

ECONOMIST: Financial data

After beef cattle have grazed on pasture land for a year or two, they are usually sent to feed-lots, where they are fattened on a diet of hay and corn to prepare for slaughter.

ECONOMIST: Branding in the west