Screws, washers, nuts and bolts do not merit piece by piece costing, being of such low value, yet, are identified as common parts or components of a product.
法律词典收录了41026条英汉双解法律词条，基本涵盖了常用法律英语单词及短语词组的翻译及用法，是法律学习的有利工具。