Standard hydraulic and pneumatic equipments; Water treatment and environment technology Heating installation; Engine monitoring and control; Equipment for chemical and petrochemical industry.
液压与气动控制系统；水处理与环境技术； 加热与暖气系统； 过程控制；石油和化工。
Some new chemical cleaner and treatment technology for slag-mud and waste-water have been developed for chemical cleaning at abroad.
化学清理在国外的主要进展是，开发出了一些新型化学清理剂以及对渣泥和废水的处理技术。
To review the preparation technology and research progress of pectin in the fields of food, chemical engineering, medicine, nutrient regulation, water treatment.
对果胶的制备及其在食品、医药、动物营养调控、水处理等方面应用的研究进展作一综述。
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