rotary-vane attenuatior是什么意思，rotary-vane attenuatior的翻译，rotary-vane attenuatior音标、读音、用法和例句_开心英文字典

Warning: file_put_contents(): Only 0 of 7182 bytes written, possibly out of free disk space in /home/www/wwwroot/ndsq.cn/index.php on line 55
rotary-vane attenuatior是什么意思，rotary-vane attenuatior的翻译，rotary-vane attenuatior音标、读音、用法和例句_开心英文字典_柠咚词