例句與造句

1. Safety of power transformers , power supply units and similar - particular requirements for perturbation attenuation transformers - part 2 - 19 : particular requirement mains - born perturbatiion attenuation transformers
   電源變壓器供電設(shè)備及類似設(shè)備的安全性.擾動(dòng)衰減變壓器的特殊要求
2. It's difficult to find main-bearing in a sentence. 用main-bearing造句挺難的