熟练掌握T-bolt产品的包装规范。的翻译：Proficiency in T-bolt product packaging specification. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Master the T-bolt product packaging specifications.

Proficiency in T-bolt product packaging specification.

Grasps the T-bolt product skilled the packing standard.

Mastery of T - bolt products packaging specifications.

Proficiency in T-bolt product packaging specification.