angular brush

例句：

1. 1.The painter used an angular brush tocreate a detailed painting.
   画家使用一个角形刷子创作了一幅详细的画作。
2. 2. Theengineer designed the angular brush to improveefficiency in manufacturing processes.
   工程师设计了一个角形刷子，以提高制造过程的效率。
3. 3. Theangular brush was used to clean thewindows of the house.
   角形刷子被用来清洁房子的窗户。