friction metal
金属的摩擦
以上为机器翻译结果，长、整句建议使用 人工翻译 。
youdao
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。
But Ares will use new methods in metal-working science such as friction stir welding.
VOA: special.2009.12.30
应用推荐
模块上移
模块下移
不移动