英语翻译
jigs and fixtures are alike in that they both incorporate devices to ensure that the work-piece is correctly located and clamped,but they differ in that jigs incorporate means of tool guiding during the actual cutting operation ,and fixtures do not .in practice,the only cutting tools that can be guided while actually cutting are drills,reamers,and similar cutters;and so jigs are associated with drilling operations,and fixtures with all other operations.fixture may incorporate means of setting the cutting tools relative to the location system
翻译最好顺畅一点,权威一点,我上课翻译,最好不要让老师反问,