double-lead patenting

例句：

1. 1. Double-lead patenting is a complex process that requires specialized knowledge and expertise.
   双引线专利是一种复杂的过程，需要专门的知识和技能。
2. 2.The company has filed several applications for double-lead patenting in recent years.
   该公司近年来提交了多项关于双引线专利的申请。
3. 3.The invention of double-lead patenting has greatly improved the efficiency of industrial production.
   双引线专利的发明大大提高了工业生产的效率。