louvered window造句

• louvered window is made of aluminum alloy, with special pneumatic open and shutting sructure to ensure the window completely open and shut, it can be in storm proof, rain proof and dust proof of carring belt rotary, which get the national patent
  百叶窗采用铝合金，具有独特的气动式开闭机构，保证百叶窗完全打开或关闭，百叶窗达到防风，防雨，防尘采用支撑皮带转动，已获得国家专利。