原因就是因为这种不锈钢隐形井盖具备了非常好的防盗性、美观性、实用性、防锈性。
The reason is because this kind of stainless steel contact covers possessed very good anti-theft, beautiful appearance, practicality, anti rust.
该装置样式独特，结构简单，美观实用，造价低廉，是一种理想的自行车防盗报警装置。
The utility model which has the advantages of unique style, simple structure, beautiful appearance, practicality and low cost is an ideal theft-proof alarm device for bicycles.
材质使用高强度合金压铸而成，结构美观大方、防盗性强。
Apply high strength die-casting alloy, the product features beautiful and grand.
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