A.換板率=換板數(shù)量/(工單總量-剔除類機型-升級數(shù)量-換機數(shù)量) B.換板率=換板數(shù)量-剔除類機型/(工單總量-升級數(shù)量-換機數(shù)量) C.換板率=換板數(shù)量-剔除類機型/(工單總量-剔除類機型-升級數(shù)量) D.換板率=換板數(shù)量-剔除類機型/(工單總量-剔除類機型-升級數(shù)量-換機數(shù)量)
A.網(wǎng)點地址 B.服務熱線 C.營業(yè)時間 D.人員信息
A.7 B.10 C.15 D.30