石油油管螺紋量規
石油(you)(you)油(you)(you)管(guan)(guan)螺紋(wen)量規(gui)分(fen)塞規(gui)(栓規(gui))、環規(gui)。用于檢測美國石油(you)(you)協(xie)會(API)標(biao)準(zhun)的內(nei)外螺紋(wen)。石油(you)(you)油(you)(you)管(guan)(guan)錐(zhui)度螺紋(wen)量規(gui)1.050TGB-41/2TBG(不加厚(hou)油(you)(you)管(guan)(guan)螺紋(wen)量規(gui))、1.050U...
查看詳情