Anti-friction metal 耐磨金属 ; 抗摩金属 ; 减摩合金
internal friction of metal 金属内耗
yarn to metal friction 纱线和金属摩擦
Half metal friction sheet 半金属摩擦片
metal sliding friction 金属滑动摩擦
powder metal friction element 粉末金属摩擦元件
semi-metal friction materials 半金属摩阻材料
metal sliding friction pairs 金属滑动摩擦副
metal reinforced phenolic friction-static material 酚醛半金属磨阻材料
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。
Friction % wears away metal in the moving parts, which shortens their working life.
运动部件间的摩擦力使金属磨损，这就缩短了运动部件的使用寿命。
Nails hold in wood, and screws hold in either wood or metal by reason of friction, without which they would be useless.
钉子能钉住木头，螺丝能拧住木头或金属，都是由于有摩擦力，如果没有摩擦力，它们就毫无用处。
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