Array
(
    [0] => Array
        (
            [0] => FIND_IN_SET('矿用隔爆型永磁同步变频电动机', keywords)
        )

    [1] => Array
        (
            [0] => FIND_IN_SET('山东欧瑞安电气有限公司', keywords)
        )

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

)