可使食品整盆地离开厨房或橱柜，完整地被送到服务区去，无论是现场或外卖都可以用的厨房设备是（）.
参考答案：密封送餐车
This is the factory my father worked ten years ago.
A．where
B．that
C．which
D．when
组与阶
