roll-forged straight shank drill
... roll-fed press 卷筒进纸印刷机 roll-forged straight shank drill 滚轧直柄钻头 roll-leaf stamping press 卷箔压印机 ...
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forged straight shank drill
... web straight shank drill 厚钻心直柄钻头 forged straight shank drill 滚轧直柄钻头 westbank straight shank drill 直身钻嘴 ...
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