Array
(
    [0] => Array
        (
            [0] => FIND_IN_SET('直读式粉尘浓度测量仪', keywords)
        )

    [1] => Array
        (
            [0] => FIND_IN_SET('重庆科安电子有限公司', keywords)
        )

    [2] => Array
        (
            [0] => FIND_IN_SET('煤安标志', keywords)
        )

)