spudding bit

网络释义

1.	开眼钻头石油英语词汇(S6)--石油百科 ... spudding action 钻具上下活动 spudding bit 开眼钻头 spudding in 钻入 ... www.oilnews.com.cn
2.	浅槽钻头直角三角形_馆档网 ... "短柄扳手"," spud wrench" "浅槽钻头"," spudding bit" "纺丝纱"," spun silk yarn" ... www.guandang.com

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