1. roller bearing：rod bearing杆轴承 | roller bearing滚柱轴承 | roller step bearing滚柱止推轴承
2. 滚柱轴承的意思
2. cylindrical bearing：cylinder-head gasket 汽缸盖密封垫 | cylindrical bearing 滚柱轴承 | cylindrical boundary 圆柱界面
3. \u0039\u0031\u0031\u67E5\u8BE2\u00B7\u82F1\u8BED\u5355\u8BCD
3. RB：RB 地层条件下桶数 | RB 滚柱轴承 | RB 洛氏硬度B级
4. 滚柱轴承的反义词
4. miler bearing：mildew and fungus inductive environment 易霉的环境 | miler bearing 滚柱轴承 | milestone 里程碑