变矩器主轴承
torque converter main bearing
变速器主动齿轮轴
transmission drive gear shaft
变压器主保护
power transformer main protection
差速器主齿轮轴
differential pinion-shaft
差速器主小齿轮轴承罩
differential drive pinion cage bearing
朝鲜人民民主主义共和国石油工业部石油地质研究院
petroleum geology institute
d. p. k. korea
单闸板防喷器主壳体
Shell of single ram type preventer
调速器主接力器
Main servomotor of governor
冬前主茎叶片
Before winter main stalk blade
动态服务器主页技术
active server pages(ASP) technology