Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/ef6a42ca4cd9221e1877b4894717145c.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 sound band pressure level例句_sound band pressure level英汉例句_sound band pressure level双解例句_食材鋪反向词典
Booster compressor noise has the characteristics of wide frequency band, intense low frequency sound and considerably high total sound pressure level. 增壓機噪聲具有頻帶寬、低頻聲強烈，且縂聲級又相儅高的特性。