$log_list = $log
->field('l.*')
    ->where($mac_no)
    ->alias('l')
    ->join('qxj_mac m','m.mac_id = l.mac_id','left')
    ->where($where_m)
    ->field('m.mac_no,m.mac_mobile')
    ->join('qxj_admin_user h','h.admin_id = m.holder_id','left')
    ->where($where_h)
    ->field('h.user_name,h.name,h.mobile')
    ->order('l.use_time','desc')
    ->paginate(10,true,[
'query'=>[
'mac_no'=>$mac_no,
'start_time'=>$start_time,
'end_time'=>$end_time,
'keyword'=>$keyword,
]
    ]);
上面这段是什么意思？

select l.*,h.user_name,h.name,h.mobile,m.mac_no,m.mac_mobile from qx_mac_illegal_log l
LEFT JOIN qxj_mac m ON l.mac_id = m.mac_id
LEFT JOIN qxj_admin_user h ON h.admin_id = m.holder_id
where m.mac_mobile=1064857461530 and l.log_id=198

可以改成上面的格式吗？