原文：
随着高校节水一卡通的成功推广应用，以及水资源的日益匮乏，目前，国家教委、各高校均极为重视校园洗浴的节水工作，刷卡式计费洗浴工程正愈来愈被各高校所接受，首先它为我们节约了极为宝贵的水资源，其次更加规范了管理。但经过两年的实践，也暴露出一亟待解决的问题： 1、控制阀的选择问题： 目前，工程中普遍使用的控制阀主要是：电磁阀和电动阀。但在使用中它们均有缺陷，如电磁阀易被异物堵塞、水阻大，须长期专人维护等；而电动阀虽然无水阻，但由于需有必要的控制电路，所以，防水汽侵蚀影响使用寿命也是困扰推广的主要问题。 2、如何{zd0}限度地克服水垢对阀门使用的影响 无论是电磁阀还是电动阀，水垢不但会造成阀门泄漏，严重时甚至会影响阀门的正常工作，所以如何xx水垢的影响，已是业内人士普遍xx的问题。 天津开利达控制技术开发有限公司已在该领域率先开发出：耐潮湿抗结垢的KLD20F-型新产品，目前，已在北京等多所高校推广使用，获得了校方和工程公司的一致好评。 主要技术指标： 可长期工作于潮湿水汽环境之中，如热水洗浴场所，但不可浸水使用。

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译文：
With the success of universities to promote water-saving card applications, and increasing scarcity of water resources, at present, the State Education Commission, the University attaches great importance to the campus were bathing in water conservation, credit card type billing bath works by all colleges and universities are being increasingly to accept, first of all it is extremely valuable for us to save water, followed by a more standardized management. But after two years of practice, but also exposed a serious problem: 1, control valve selection: At present, the project control valves commonly used in the main are: solenoid valve and electric valve. However, they have defects in use, such as solenoid valves susceptible to blockage, water resistance big hand to long-term maintenance; and water resistance electric valve though, but need to have the necessary control circuit, so the corrosive influence of water vapor life is troubled by the promotion of the main problems. 2, How to overcome the scale to maximize the use of the valve Whether or electric solenoid valve, the scale will not only result in valve leakage, severe and even affect the normal operation of the valve, so how to eliminate the scale effect, is the industry issues of common concern. Tianjin Lida Control Technology Development Co., Ltd. Open has pioneered the development in this area: moisture-resistant anti-fouling KLD20F-based new products, at present, and many other colleges and universities in Beijing to promote the use, access to the school and the engineering firm of the same praise. Main technical indicators: The long term work in the wet steam environment, such as hot water bathing places, but not soaking use.