diametric arrangement of brushes

例句：

1. 1. The engineerdesigned a diametric arrangement of brushes for the machine.
   工程师为机器设计了直径布置的刷子。
2. 2. Thediametric arrangement of brushes is crucialfor the operation of the machine.
   直径布置的刷子对机器的操作至关重要。
3. 3. Theengineer made sure that the diametricarrangement of brushes was optimized for efficiency.
   工程师确保了直径布置的刷子被优化以提高效率。