Array
(
    [0] => Array
        (
            [0] => FIND_IN_SET('煤矿用全液压坑道钻机', keywords)
        )

    [1] => Array
        (
            [0] => FIND_IN_SET('重庆启阡矿山机械设备有限公司', keywords)
        )

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

)