The material selection, working out the process and repairing method in reform of the precision forging machine to substitute with China-making spares are analyzed and improving plan proposed.
对精锻机关键备件的国产化从材质的选择、工艺的制订及修理进行了分析，并提出了改进方案。
In this paper, a CAPP system in process planning of welding parts and spares for heavy machine is introduced.
介绍了为重型机械专门开发的焊接零部件工艺规划CAPP系统。
This machine holds spares for many parts.
这台机器自行备有很多备用零件。
This paper introduces the design of counting and timing device for automated machine-made spares packing with PTC8253-5. The hardware circuit and software are given.
本文介绍了用PTC8253-5实现机加零件自动包装计数定时的设计，给出了硬件电路和软件程序。
The swirling spinner spares easily worn spinning parts and employs air flow to act on fibers, which fully activates high efficiency of swirling stranding machine and thus improves spinning rate.
本旋流纺纱机取消了高磨损的纺纱部件，采用气流作用纤维的方式，能够充分发挥旋流加捻器的高效率，从而提高纺纱速度。
The swirling spinner spares easily worn spinning parts and employs air flow to act on fibers, which fully activates high efficiency of swirling stranding machine and thus improves spinning rate.
本旋流纺纱机取消了高磨损的纺纱部件，采用气流作用纤维的方式，能够充分发挥旋流加捻器的高效率，从而提高纺纱速度。
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