pitmanless mower

例句：

1. 1. The new model of the pitmanless mower is more efficient than its predecessor.
   这款无坑割草机的新型号比它的前身更高效。
2. 2. The owner of the pitmanless mower has been using it for several years now.
   这款无坑割草机的拥有者已经使用它好几年了。
3. 3. The pitmanless mower is perfect for small lawns and gardens.
   这款无坑割草机非常适合小型草坪和花园。