Study on the Application of the Automatic Alternating and Supporting Bed to the Dispersion and Reduction of pressure and the Prevention of Decubital Ulcer是什么意思_Study on the Application of the Automatic Alternating and Supporting Bed to the Dispersion and Reduction of pressure and the Prevention of Decubital Ulcer在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句