I. Definition
1. Traction elevator
2. Hydraulic elevator
II. Answer the following questions
1. What’s the features of traction elevators?
2. How many types of traction elevators are there? What are the main features of the different types of traction elevators?
3. What’s the features of hydraulic elevators?
4. How many types of hydraulic elevators are there? What are the main features of the different types of hydrualic elevators?
III. Look at the pictures and name each elevator.
1. _____________________ 2. __________________
3. ____________________________ 4. ___________________________________
5. ___________________________ 6. _____________________________
7.__________________ 8. ______________________________
Ⅳ. Translate the following terms into Chinese.
1. Traction Elevators ________________
2. Hydraulic Elevators ___________________
3. A licensed elevator constructor _______________
4. machine room _________________
5. Dumbwaiter elevator _________________
6. geared traction _______________
7. Freight elevator _______________
8. escalator ________________
9. Non-Machine Room Elevators __________________
10. after-sale service _____________
V. Translate the following sentences into Chinese.
1. Traction elevators function with the help of a rope that passes over a wheel.
2. This wheel is attached to an electric motor and when the motor is powered, the wheel is set in motion, pulling the rope and in turn lifting the elevator car to the desired floors.
3. Hydraulic elevators have a slightly slower mechanism, which includes a piston placed at the bottom of the elevator.
4. The electric motor is accommodated in a machine room which is built in the lowest level of the building.