Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/724de7460d9339b05ad79d416511eb26.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 dense packing arrangement例句_dense packing arrangement英汉例句_dense packing arrangement双解例句_沉淀汉英词典
Specially, a vertical cavity surface-emitting semiconductor laser is attractive, because of free arrangement and dense packing. 垂直腔表麪發射激光器，因其可自由排列和密集封裝而特別引人注目。