滚珠与滚子轴承

[机] ball-and-roller bearing

gǔn zhū yǔ gǔn zi zhóu chéng ㄍㄨㄣˇ ㄓㄨ ㄩˇ ㄍㄨㄣˇ ㄗ˙ ㄓㄡˊ ㄔㄥˊ