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一、安装 (1)安装前应仔细阅读产品的使用说明书,查核所装产品是否完全符合使用要求,熟悉安装要点,做好准备工作。
First, the installation (1) Before installation should carefully read the product manual, check the installed products are fully consistent with the requirements of use, familiar with the installation points, be prepared.