But by an astonishing coincidence, an employee from the same company stumbled across the ring more than 2 years later at a sewage processing plant.
谁料两年多后，这家公司的一名员工在巧合之下，在一个污水处理场发现了这枚戒指。 据悉，钻戒上镶嵌了一颗价值非凡的大钻石，以及12颗小钻石。
The application of PROFIBUS technology to the sewage processing is discussed in this paper.
主要讨论了利用PROFIBUS现场总线技术来实现污水处理厂污水处理系统的实时控制。
It can increase sewage processing efficiency by 30 about or enhance the processing ability of original facilities by 25%-30%.
采用本方法可提高污水处理效率30%左右，或提高原设施处理能力25% - 30%。
Second, applies in the industrial sewage processing project, like domains and so on petroleum chemical industry, spinning and weaving, printing, galvanization, leather making, food industry.
第二，应用于工业污水处理工程，如石油化工、纺织、印染、电镀、制革、食品工业等领域。
An artificial wetland sewage processing method and system belongs to processing of sewage and sludge, can solve problems of present artificial wetland biological film obstruction and short life.
人工湿地生活污水处理方法及系统。属污水和泥渣的处理类。解决现有人工湿地生物膜堵塞、寿命短的问题。
Sewage processing for medicine producing, chemical engineering, food and consumer goods industries.
制药、化工、生活、食品等行业的废水处理。
Sewage processing for medicine producing, chemical engineering, food and consumer goods industries.
制药、化工、生活、食品等行业的废水处理。
应用推荐