单词	dry bag
释义	dry bag 干袋
随便看	effective salinity effective sample size effective sampling area effective sandbody effective saturation magnetic flux densi effective saving effective scale length effective scanning effective scanning line effective scanning periodic ratio effective scattering cross-section effective scattering mass effective scheme of decoration effective school-running resources effective scope of detection effective screening area effective screw length effective sealing width of gasket effective search speed effective search width effective seating stress effective secondary emission factor effective section effective sectional area effective-sectional area