- 磨擦: rub; abrade; abrase
- 块: piece; lump; chunk
- 防擦块: chafing block
- 摩擦块: clutch blocks; drag block; frection block; frictional pads; rubbing block
- 磨擦: rub; abrade; abrase◇磨擦电 triboelectricity; 磨擦工 rubber; 磨擦剂 abrasive; 磨擦器 grater; rubber; 磨擦物 rubber; 磨擦音 crunch
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