double acting pneumatic hammer

例句：

1. 1.This double acting pneumatic hammer is very powerful and easy to use.
   这台双作用气动锤非常强大且易于使用。
2. 2. The engineer used the double acting pneumatic hammer to remove the old door.
   工程师使用双作用气动锤来拆除旧门。
3. 3.The double acting pneumatic hammer is ideal for heavy-duty tasks like demolition.
   双作用气动锤非常适合重型任务，如拆除工作。