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产品型录 |
共1 笔 产品 |
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![8 1/2 tricone bit/rock bit/roller bit/drill bit](/datas/4/e/3/E0342127/showroom/3/13639160216.jpg)
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Structure:
--Cutting Structure:Offset crested scoop compacts of larger size were arraged in inner row, wedge compacts in heel row with high tooth exposure and uneven intervals inbetween.
-- Gage Protection:Multiple gage protectionwith ...
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