... lead tester 导程检查仪 Lead Tester of Gear 齿轮螺旋线检查仪检定规程 Zeiss lead tester 蔡司导程检查仪 ...
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... 导程检查仪，螺距规 lead gauge 国际[米制]螺距规 metric screw pitch gauge 导程检查仪, 螺距规 lead gauge ...
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短语
齿轮导程检查仪
gear lead checking machine
;
gear lead tester
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