“worn parts”造句，怎么用worn parts造句

Convenient operation and maintenance, and less easy worn parts, maintenance costs is lower than general hoist.

I bought a secondhand sewing machine and then had to pay out lots of money to replace many worn parts.

The consortium does not have to bear the costs of worn parts and repairs.

It is used for surfacing welding of various worn parts such as crusher, high manganese rail and so on.