coated duplex board with white back

例句：

1. 1.The engineer used a coated duplex board to design the new office layout.
   工程师使用涂漆的双层板来设计新的办公室布局。
2. 2. The company's new conference room is equipped with a coated duplex board for easy communication.
   公司的新会议室配备了涂漆的双层板，方便沟通。
3. 3.The coated duplex board was installed in the kitchen to improve acoustics.
   在厨房安装了涂漆的双层板，以改善声学效果。