起动机小齿轮凸壳
starter pinion nose housing
强制移动起动机小齿轮
positive shift starter pinion
起动电动机小齿轮
starter motor pinion
starter motor pinion gear
starting motor pinion gear
starting motor pinion
起动电动机小齿轮间隔
starting motor pinion clearance
主汽轮机齿轮机组
main steam turbine gear unit
小齿轮轮齿啮合
pinion gear tooth contact
小齿轮轮齿啮合型式
pinion tooth contact pattern
柴油发动机起动预热指示器灯
diesel engine start preheat indicator light
铲运机发动机起动开关
scraper engine start switch