Housed VCA same as Semi-Housed but with enclosure and connector for some mechanical and environmental protection and for ease of use in system integration.

该产品为封装音圈调节器，与半封装产品类似，但是配有外壳和连接器，更有利于一些机械和环境保护，更加方便系统集成的易用性。

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The general design and integration advanced technology and prospected objectives and construction situation of reporting hotline system on environmental protection of Yunnan province are presented.

叙述了云南省环保热线系统的总体设计，集成的先进技术，预期目标和建设情况等。

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Environmental protection and energy saving is our basic principle, so the main patented product, the granite composite heat-preserving plate, is an integration of stone material and heat-preserving.

我们倡导环保节能理念，主要专利产品花岗石复合保温板，集石材与保温于一体。

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