This company mainly produces coal , chemicals , stone materials and solar water heaters with an annual production value of 100million yuan , profit and tax of over 20 million yuan 主要生产煤、化工、石材、太阳能热水器等产品,年产值1亿,利税2000多万元。
Us california governor arnold schwarzenegger signs new legislation for us $ 250 million in consumer rebates over the next 10 years for solar water heaters 美国加州州长阿诺史瓦辛格签署一项新法规，在未来十年将补助二亿五千万美元给装设太阳能热水器消费者。
A solar water heater can provide you with several benefits over conventional water heaters . the first of all , you will significantly reduce your hot water heating costs 与传统燃油或燃气热水器相比,太阳能热水器可大为减少热水的加热费用,因为太阳光是免费的
Abstract : in this paper , a new type of home solar water heater controllerbased on at89c2051 is designed while the chip s characters is also full used 文摘:以at89c2051单片机为核心，充分利用该芯片的特性，设计研制出一种新型家用太阳能热水器水位水温测控器。
Shanghai bo jia metal products co . , ltd . is an enterprise specializing in the research , development and utilization of solar energy water - heating device 上海博佳金属制品有限公司是一家专门从事太阳能热水器研究、开发和利用的企业，生产“复旦佳明”太阳能热水器。 。
