roller shutters是什么意思 roller shutters怎么读
roller shutters的用法和样例
- Fix the top lath of the curtain onto the roller with the screws and washers provided.
用提供的螺丝钉和垫片把卷帘顶部板条固定在卷轴上。 - LianDa is a Company specializing in tubular motors for shutters, awnings,garage doors,fire shutters,blinds and screens userd in home and buildings.
联大是一家专业生产管状电机的制造企业，其产品广泛用于家用或商用的卷帘门，遮阳蓬，车库门，防火门，百叶窗和投影幕等设施。
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