介绍了帝人公司聚酯回收再生技术的开发状况。
The development situation of polyester recovery regenerated technology in Teijin group was introduced.
分析了日本帝人公司生产的 P75 -2 4A螺杆挤压机套筒镶套磨损的原因是环结阻料或异常卡车 ，提出减少磨损的几条措施。
The reasons for wear and tear of the inlay sleeve of sleeve of P75\|24A screw extruder made in Japan were analyzed, and some measures to reduce wear and tear of the inlay sleeve were proposed.
据传在1791年，为庆祝自己的80寿辰，乾隆帝命人制作了一批玉玺，而这枚是所有记录在册的玉玺中最大的。
In celebration of his 80th birthday in 1791, the emperorQianlong had a number of seals made, of which this is one of thebiggest on record.
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