例句與造句

1. Non - metallic sheath
   非金屬護(hù)套
2. Protective coverings for electric cables - part 3 : general protective coverings for cables with non - metallic sheath
   電纜外護(hù)套第3部分:非金屬套電纜通用外護(hù)套
3. It's difficult to find non-metallic sheath in a sentence. 用non-metallic sheath造句挺難的