格式显示有关问题

$ress = array ( 0 => array ( 0 => '237033AW0A', 'cust_no' => '237033AW0A', 1 => '4409', 'lotno' => '4409', 2 => 300, 'part_count' => 300, ), 1 => array ( 0 => '237033AW0A', 'cust_no' => '237033AW0A', 1 => '4410', 'lotno' => '4410', 2 => 141, 'part_count' => 75, ), )

foreach($ress as $source)
			{	
					if($source['part_count'] != 0)
					{
						$lotno_count = $source['lotno'].' * '.$source['part_count'];
						echo $lotno_count.'
';
					}
			}

$ress = array ( 0 => array ( 0 => '237033AW0A', 'cust_no' => '237033AW0A', 1 => '4409', 'lotno' => '4409', 2 => 300, 'part_count' => 300, ), 1 => array ( 0 => '237033AW0A', 'cust_no' => '237033AW0A', 1 => '4410', 'lotno' => '4410', 2 => 141, 'part_count' => 75, ), );
 
foreach($ress as $source) {   
  if($source['part_count'] != 0)
  {
    $lotno_count[] = $source['lotno'].' * '.$source['part_count'];
  }
}
echo join('
', $lotno_count);