big section room的用法和样例：
- Construction and Timbering of Big Section Winch Room
- With the rapid development of highway,the big section highway tunnel takes a new step forward,which promotes more advanced challenges and requestion to tunnel's design and construction technique.
- Born in 1979 sun set Xiguan the receipt is also longer than the main placard, he used the big section the writing to review, similarly lived in countryside he, how did these years are walk.
- The big rafter is visible in this room.
- Bigger section area of three phase heating cable can broaden heat transmitting area and thisincreases the transmitting efficiency.