短語(yǔ)詞組短語(yǔ)turnover r bed 繙轉(zhuǎn)牀automatic alternative support turnover bed 自動(dòng)交替承托側(cè)繙牀bed turnover rate 病牀周轉(zhuǎn)率bed turnover times 牀位周轉(zhuǎn) 返回 turnover bed