Inside diameter micrometer micrometer pluggaugethread gauge digital calipers height gauge and other testing tools.
内径千分尺、千分尺、塞规、螺纹规、数显卡尺、高度尺等检验工具。
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The three - meter checking device and hydraulic machine were developed to substitute the traditional three - legged divider pluggauge and correction by the thread rod.