例句與造句

1. The generators are of dirp - proof with rotating field type and with the adoption of harmonic excitation system , that allow your easy operation and simple maintenance
   發(fā)電機為防滴轉場式，采用諧波勵磁系統(tǒng)，使用安全可靠，維護簡單方便。
2. It's difficult to find rotating field type in a sentence. 用rotating field type造句挺難的