powder metallurgy friction material 粉末冶金摩擦材料
powder metallurgy anti-friction part 粉末冶金减磨零件
powder metal friction element 粉末金属摩擦元件
He says they actually use dental floss to slowly saw away at the metal, adding tooth powder to increase the friction.
但是犯人们总能找到办法弄到。现在他们用牙线慢慢钜金属，抹上牙粉增加摩擦力。
The powder product wear resistance, corrosion resistance, good sliding friction.
该粉末产品耐磨性，耐蚀，耐滑动摩擦性好。
The principle part of composition in this research was the composition of FMPS iron based powder metallurgical friction material.
研究采用的铁基粉末冶金摩阻材料主体配方是FMPS型铁基粉末冶金摩阻材料基础配方。
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