2.The sealing material of the s tellite material quality,high temperature resistant,abrasion resistance,ballistic-and corrosion resistant,long life span.
钨金材质的密封材料耐高温、耐磨损、耐冲蚀.寿命长。
2.The sealing material of the s tellite material quality,high temperature resistant,abrasion resistance,ballistic-and corrosion resistant,long life span.
钨金材质的密封材料耐高温、耐磨损、耐冲蚀.寿命长。
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