Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/aa9d07a3be46bdd0df63abe82a8c637d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 SPUDT例句_SPUDT英汉例句_SPUDT双解例句_流逝汉英词典
Because of SPUDT's characteristic.It is very useful to design wide-band low loss SAWF using tapered EWC- SPUDT transducer； 由於SPUDT的特性，把EWC型的SPUDT引入到錐型換能器對制作寬帶、低損耗器件是十分有用的；