A.客房數(shù)X2X50% B.客房數(shù)X2X60% C.客房數(shù)X2X70% D.客房數(shù)X2X80%
A.后鑊崗 B.上什崗 C.打荷崗 D.水臺(tái)崗
A.1:0.5 B.1:1 C.1:1.5 D.1:2