Warning: file_put_contents(/home/www/wwwroot/zidian/69228.com/cache/c2b5ff034986e3baf9e7d09d9b4979d4.txt): failed to open stream: No space left on device in /home/www/wwwroot/zidian/69228.com/index.php on line 55 telescoping tube是什么意思，telescoping tube的翻译，telescoping tube音标、读音、用法和例句_魏碑心思朗文词典
Instrument makers of the time also invented a trumpet with a sliding, telescoping tube extension. NPR: Young Tuba Player Gets Nod from Phila. Orchestra