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File size（328KB）
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您可將安裝標(biāo)準(zhǔn)輸入到O形圈計(jì)算軟件，例如：孔和軸的直徑。軟件可以很快計(jì)算出O形圈和孔的英制和米制尺寸。軟件還有O形圈快速查找功能——能讓您找到符合各種國(guó)際標(biāo)準(zhǔn)的O形圈的尺寸
How to operate:
1、You can use your mobile phone in WeChat or Alipay software sweep function to scan the two-dimensional code image
2、Long by this two-dimensional code identification and download
