单词:heater transformator
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Technology Report - How to Make Your Own Solar Water Heater This is the VOA Special English Technology Report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design
DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o
This is the VOA Special English Development Report. Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. An example of a rooftop solar water heater being built in South Africa The
Ruin is the road to transformation. 语音讲解: 1.ruin 英音:/'ruːɪn/美音:/'ruɪn/ 2.transformation 英音:/trnsfə'meɪʃ(ə)n/美音:/ˌtrnsfɚ'meʃən/ 词汇讲解: 1.ruin 名词、动词 破坏 毁灭 The old house soon went t