Array
(
    [0] => Array
        (
            [0] => FIND_IN_SET('带式输送机', keywords)
        )

    [1] => Array
        (
            [0] => FIND_IN_SET('兖矿东华重工有限公司煤机装备制造分公司', keywords)
        )

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

)