The Ivanpah Power Tower will be 450 feet (137 meters) tall when it is completed and will use more than 173, 000 dual-mirror heliostats.
艾文帕发电塔完成后将高450英尺（137米），用掉17万3千个双面定日镜
It gives a brief introduction of dual-tower energy-saving urea process, and emphasizes the recovery and utilization measures of highpressure materials during long-term shutdown.
介绍了双塔节能尿素工艺装置长期停车方法，对双塔节能尿素工艺装置进行了简介，重点介绍了长停过程中高压物料的回收利用措施。
A dual absorbing tower shower containing oxidant and alkaline absorbant was used for removing arsine, phosphorus, sulfur, fluorine, chlorine and oxynitrides.
用椭圆型喷淋吸收塔，氧化剂、碱吸收治理半导体工业废气中砷、磷、硫、氟、氯、氮氧化物及各种酸。
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