下面哪个系统不用飞机气源系统（） A.空调 B.TAT C.厕所排污 D.液压油箱增

Sunshine House
Price: 1 200 000 yuan
Area: 180 sq. m. (平方米)
Year built: 1967
2 bedrooms, living room, kitchen,
2 bathrooms
A small garage (车库)
11 km from the city center

Sea view Palace
Price: 1 540 000 yuan
Area: 250 sq.m.
Year built: 1984
3 bedrooms, 2 bathrooms, kitchen,
2 dining rooms
A big beautiful garden
23 km from the city center

Rose Garden
Price: 1 300 000 yuan
Area: 180 sq.m.
Year built: 1994
3 bedrooms, kitchen, bathroom,
living room
A garden and a garage In the city center

Country house
Price: 1 250 000 yuan
Area: 150 sq.m.
Year built: 1958
3 bedrooms, bathroom, dining room
Double garages
Between a river and the hill