duplex double action pump

例句：

1. 1. The duplex apartment is very spacious and has a great view of the city.
   这栋复式公寓非常宽敞，可以俯瞰整个城市。
2. 2. The duplex house has two separate living areas, which makes it perfect for families with children.
   这栋复式房屋有两个独立的居住区，非常适合有孩子的家庭。
3. 3. The duplex apartment is equipped with a fully equipped kitchen, laundry room, and two bathrooms.
   这栋复式公寓配备了一个全功能的厨房、洗衣房和两个浴室。