Array
(
    [0] => Array
        (
            [0] => FIND_IN_SET('带式输送机用盘式制动装置', keywords)
        )

    [1] => Array
        (
            [0] => FIND_IN_SET('泰安市德众矿山机械有限公司', keywords)
        )

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

)