单词	radio-frequency band
释义	radio-frequency band 无线电频带
随便看	preparation disk Preparation,Drug preparation employment preparation engineer preparation, enzymatic, microbiologic preparation equipment preparation expense preparation experiment preparation-eye drops preparation facilities preparation facility Preparation factors preparation fire preparation fires preparation flow preparation fluid temperature preparation for preparation for a campaign preparation for a crime preparation for a journey preparation for appraisement preparation for assault preparation for asset impairments preparation for a war game varies preparation for callouse