flatuess and straighness measuring instrument
... flatuess 平度,平面度,平直度 flatuess and straighness measuring instrument 平直度测量仪 flaw 裂纹,瑕疪 ...
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straightness measuring instrument
平直度测量仪straightness measuring instrument 光学式平直度测量仪optical straightness measuring instrument ..
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短语
光学式平直度测量仪
optical straightness measuring instrument
光电式平直度测量仪
photoelectrical straightness measuring instrument