{供應(yīng)金剛石薄壁鉆頭}time:2014/1/17 15:54:00
{雙金屬卷制軸承|雙金屬襯套 }time:2014/1/17 15:54:00
{磷青銅雙金屬軸承鋼帶/ 雙金屬材料 }time:2014/1/17 15:53:00
{金剛石復(fù)合片鉆頭 PDC鉆頭}time:2014/1/17 15:52:00
{金剛石鉆頭 復(fù)合片鉆頭 }time:2014/1/17 15:51:00
{燃油濾清器}time:2009/4/14 17:15:00
{空氣濾清器}time:2009/4/14 17:15:00
{機(jī)油濾清器}time:2009/4/14 17:14:00
{雙金屬襯套}time:2009/3/12 8:54:00
{磷青銅雙金屬材料}time:2009/3/10 19:07:00
{人造金剛石微粉}time:2009/3/10 19:06:00
{人造金剛石單晶}time:2009/3/10 19:05:00
{人造金剛石電鍍鉆頭}time:2009/3/10 19:03:00
{人造金剛石薄壁鉆頭}time:2009/3/10 19:02:00
{人造金剛石地質(zhì)(工程)鉆頭}time:2009/3/10 18:51:00
{1500米鉆機(jī)}time:2009/3/10 18:49:00