The callers in hotels can dial the receptionosts or housekeepers directly.
举一反三
- Room-to-room calls can be made from your room，please dial room number directly.
- Hotels can be divided into resort hotels, convention hotels, commercial hotels and residential hotels by ( ). A: rate B: size C: service D: market segment
- Hotels can be divided into ( ).
- Primary standard can be used to prepare standard solution directly.
- We can use are (A,B,C) to solve Riccati equation directly. ( )