A.add ballast forward B.load more cargo forward C.shift bunkers forward D.All of the above
A.PDCAB.品管圈C.質(zhì)量環(huán)D.隨機抽樣
A.實有床位數(shù)B.住院死亡率C.出入院診斷符合率D.院內(nèi)感染率