... 不带护套复合中心钻 compoundcenterdrillwithoutjacket 带护锥复合中心钻 组合中心钻 combineddrillandcountersink 钻铰复合刀具 drill reamer ...
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stair-step drill reamer 阶梯式钻铰刀
multi-land drill and reamer 多棱钻铰刀
combined drill and reamer 钻铰两用刀
reamer drill [机] 铰孔钻头
drill l reamer 钻铰复合刀具
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