英语翻译
the advantages of jigs and fixtures can be summarized as follow:
1.marking out and other measuring and setting out methods are eliminated.
2.unskilled workers may proceed confidently and quickly in the knowledge that the work-piece can be positioned correctly,and the tools guided or set.
3.the assembly of parts is facilitated,since all components will be identical within small limits,and "trying" and filing of work is eliminated
4.the parts will be interchangeable,and if the product is sold over a wide area,the problem of spare parts will be simplified.
分不多,顺畅一点.