“wearing parts”可以造什么句，wearing parts造句

Drilling pump valve is one of the most important wearing parts of drilling pump.

The bearing, oil seal, silencer and leaf of the fan are wearing parts with limited life and should be changed periodically.

High quality nylon abrasive cleaning brush set, save cost wearing parts.

With features in strong force of cracking down, discharging material fineness, easy to operate and maintain and long life of the wearing parts.

The wearing parts, such as the anti-wearing plate and the cutting ring , have a long service life up to 30000 m3 under favorable condition .