... cash register收款机 ceiling restriction限额限制；上限限制 cellular telephone移动电话 ...
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Ceiling installation that has the virtues of no restriction of space, convenience of mounting films, concealment of arranging lines and good decoration effect was adopted.
安装方式采用顶棚安装，不受空间限制，布膜方便，布线隐蔽，装饰效果佳。
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