... drill钻头 drill-bar钻杆 drill-harrow除草小耙 ...
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drill bar [油气] 钻杆
bar drill [矿业] 杆钻 ; 架式凿岩机
drill-bar r 钻杆
drill bar joint 合金工具接头
hollow drill steel bar 中空钻杆钢筋
Bar of connecting drill chuck 钻夹头接杆
self-drill grouted anchor bar 自钻式注浆锚杆
drill l bar 钻杆
Rifle Bar for Rock Drill 钻探机用摇床格条
·2,447,543篇论文数据，部分数据来源于NoteExpress
Main products include ductile manhole covers, composite resin covers, drill rod cement covers, galvanized steel grating, polymer alloy covers, cast iron manhole covers, flower bar, cast iron pipe.
主营产品有球墨井盖、复合树脂井盖、钢钎水泥井盖、镀锌钢格板、合金高分子井盖、球墨铸铁井盖、铸铁井盖、花栏、铸铁管等。
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