目的：探讨手动切割机与自动切割机制作适形铅挡块的误差。
Objective to discuss errors of conformal plumbic blocks made with manual cutter and automatic cutter.
简述了一种结构新颖、实用性强的海带丝切割机，该机通过机械切割代替手动切割，减轻了劳动强度，提高了生产效率。
Kelp cutter is novel in construction and practical. It replaces hand cutting by machine cutting. This cutter lightens intensity of Labour and raises Labour productivity.
使用手动和电动工具测量，切割，螺纹和弯管使其成为所需的形状。
Measure, cut, thread and bend pipe to required shape using hand and power tools.
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