Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/7db4750f4e1e7fc4e03c064ac88263be.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 ultrasound transmitting transducer是什么意思，ultrasound transmitting transducer的翻译，ultrasound transmitting transducer音标、读音、用法和例句_甲百匯小鸡词典