规模经济可能出现在生产机器螺钉等产品时，在这种生产过程中，可以使用机床等生产资产生产出多个相同的产品实例。
They arise in the production of things like machine screws, when production assets like machine tools are used to produce multiple identical product instances.
操作机器或设备，焊接，螺栓，螺钉或铆钉金属零件。
Operate machines or equipment which weld, solder, bolt, screw or rivet metal parts together.
带螺母的螺栓或螺钉被广泛用于固定机器以及结构的部件。
Bolts or screws with nuts are widely used for fastening machine and structural components.
应用推荐