单词	波动褥
释义	波动褥医Ripple bed/mattress
随便看	preparation in medical organization preparation in quantity preparation interlock preparationist preparationists preparation jar preparation line prepara-tion line preparation loss preparation machine preparation machinery preparation mechanism preparation, medical preparation, medicinal preparation memedium preparation method preparation-method preparation methods preparation methods for nano titania preparation methods of gypsum whiskers preparation methods of nitrocellulose emulsions preparation methyl preparation microbiological preparation microbiological, enzymatic preparation modes