油脂污染会对轴承造成损伤
A.contamination of the grease can cause damage to the bearing B.contamination of the oil can cause damage to the shaft C.pollution of the grease can cause damage to the axle正确答案C
油脂污染会对轴承造成损伤
A.contamination of the grease can cause damage to the bearing B.contamination of the oil can cause damage to the shaft C.pollution of the grease can cause damage to the axle正确答案C
