Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/dc8ea5f13a8e02ab04b117307a1f3995.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 directional spectral absorptivity是什么意思，directional spectral absorptivity的翻译，directional spectral absorptivity音标、读音、用法和例句_按摩法牛津词典