rotary-paddle feeder

例句：

1. 1. Therotary-paddle feeder is an efficient way to feed materials to the machine.
   旋转桨式给料机是向机器输送物料的高效方法。
2. 2.The rotary-paddle feeder has been proven to be more cost-effective than other methods.
   旋转桨式给料机已被证明比其他方法更经济。
3. 3.The rotary-paddle feeder is widely used in various industries due to its unique advantages.
   由于其独特的优势，旋转桨式给料机在各行业中得到了广泛应用。