pebble heater

例句：

1. 1.The pebble heater is a popular choice for heating small spaces.
   鹅卵石加热器是加热小空间的热门选择。
2. 2.The pebble heater provides a cozy and efficient way to heat a small room.
   鹅卵石加热器提供了一种舒适且高效的加热小房间的方法。
3. 3. The pebble heater is easy to install and requires minimal maintenance.
   鹅卵石加热器易于安装，维护需求最小。