Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/1fd9c6e6f722f8999bb493e9d4263bcf.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 bending deflection of pipe是什么意思，bending deflection of pipe的翻译，bending deflection of pipe音标、读音、用法和例句_按摩法牛津词典