commutator的例句（commutator在句子中的用法）

• Commutator and brushes shall be free of grease, or other contaminants. 换向器和炭刷应无脂或其他污物.
• The two ends of the wire are connected to a split - ring commutator. 导线的两端联接到裂环整流器.
• Furiously he tested the spark - plugs, stared at the commutator. 他气呼呼地测试着火花塞, 眼睛盯着转换器.
• In this paper we prove the boundedness of the θ - type Calder � � n - Zygmund Commutator on the Triebel - Lizorkin space. 本文主要讨论了满足一定条件的θ型Calder ón -Zygm und奇异 积分算子交换子在Triebel -L izorkin空间上的有界性问题.