spot-weld drills plain shank的意思|示意
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点焊钻平柄
spot-weld drills plain shank的网络常见释义
点焊钻头 ...ith plain shank to DIN 1835A 钣金用钻头 直柄 sheet metal drills plain shank 点焊钻头，直柄 spot-weld drills plain shank ..