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本文介绍了焊接检验尺的基本设计原理和测量原理针对设计原理提出焊缝高度尺、咬边深度尺和多用尺的不足并针对这些不足提出了相应的改进方案。 This paper studies the design principle of the welding measurement ruler, and we discuss the measuring principles of undercut depth indicator, weld height gauge and multi-purpose ruler. At last, there are some advices given to improve the welding measurement ruler, with which the ruler would become much more accurate than before.

The Designing Principle and One Type of Improvement Scheme for the Welding Measurement Ruler