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什么是鉆桿鉗?如何構成?
什么(me)是鉆(zhan)(zhan)(zhan)桿(gan)鉗(qian)(qian)?如何構(gou)成?鉆(zhan)(zhan)(zhan)桿(gan)鉗(qian)(qian)產品介紹鉆(zhan)(zhan)(zhan)桿(gan)鉗(qian)(qian)或帶壓開孔(kong)巖心鉆(zhan)(zhan)(zhan)探(tan)中專門用于手動旋松鉆(zhan)(zhan)(zhan)具的工具。用于擰下鉆(zhan)(zhan)(zhan)桿(gan)的稱為(wei)鉆(zhan)(zhan)(zhan)桿(gan)自由鉗(qian)(qian),用于擰下套管(guan)和(he)巖心管(guan)的稱為(wei)套管(guan)自由鉗(qian)(qian)。