这是有效用的，不过那些抵免对于能源设备安装的实际意义还不容易搞清楚，这也超出了我在这儿论及的范围。
This is useful, but the actual benefits of those credits to energy installations are not easy to figure, and beyond the scope of what I can write about here.
该结构简单实用，易于安装和以后的检修，并且达到现场免焊接的目的，防止由于焊接带来的锈蚀问题。
The structure has the advantages of simple and practical use, easy installation and future maintenance, and on-site welding-free property, and rust caused by welding is prevented.
太阳能路灯具有安全无隐患、节能无消耗、绿色环保、安装简便、自动控制免维护等特性。
With the characteristics of saving energy, protecting environment, being easily installed, controlling automatically, solar street light does not need any maintenance.
精度高，耐腐蚀及磨损；抗震性强，免维护，使用寿命长；不起电火花，安全可靠，安装方便。
High Accuracy, Erosion and wear resistance Strong anti-tremor, free of maintenance, long service life No electric sparks, safe and trustiness, convenient installation.
百叶帘可安装在内部，不容易脏，免清洗。
Blinds can be installed internally, not easy to dirty, no-clean.
与传统灯具光源对比，LED广告模组具有安装方便、亮度适中、安全节能、免维护、寿命长等优点。
With the traditional lamp lighting Contrast, LED advertising light string with easy installation, light medium, safety, energy saving, maintenance-free, long life time.
与传统灯具光源对比，LED广告模组具有安装方便、亮度适中、安全节能、免维护、寿命长等优点。
With the traditional lamp lighting Contrast, LED advertising light string with easy installation, light medium, safety, energy saving, maintenance-free, long life time.
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