例句與造句

1. Sparking on commutator ' s carbon brushes is a common phenomenon in operation of the turbo - generator set , the causes resulting in sparking have been analysed , the experiences in aspects of operation , maintenance , and repair being summarized , and corresponding preventive measures beng put forward
   摘要?jiǎng)?lì)磁機(jī)換向器碳刷冒火花是汽輪發(fā)電機(jī)組運(yùn)行中常見的現(xiàn)象，分析了產(chǎn)生火花的原因，總結(jié)了勵(lì)磁機(jī)換向器運(yùn)行、維護(hù)、檢修以及故障處理等方面的經(jīng)驗(yàn)，提出相應(yīng)的預(yù)防措施。
2. It's difficult to find sparking on commutator in a sentence. 用sparking on commutator造句挺難的