The great inventions of that century-the steam engine, mechanical spinning, smelting iron with coke-all served to economise on the expensive factor of production and use more of the cheaper one.
那个世纪的伟大发明如蒸汽机，机械纺纱机，焦炭炼铁大大的节省了高额生产成本，使其更为低廉。
The factor affecting the production is analyzed. Melt pipe of spinning machine is also designed and machined. After the transformation, good effect is gained.
分析影响生产的不良因素，对纺丝机熔体管道进行设计及机械制造，改造后获得良好效果。
Through analysing the main factor that affects spinning technology deform force, this passage introduces the basic method of spinning technology force.
分析影响旋压工艺变形力的主要因素，介绍了确定旋压工艺力的基本方法。
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