precision machinery elements & mechanism  精密机械零件与机构

course design for precision machinery  精密机械课程设计

course design of precision machinery  精密机械学课程设计

elementary precision machinery design  精密机械设计基础

precision machinery  精密机械; 精密机械学

Precision machinery industry  精密机械产业

precision machinery transmission  精密传动

basis of machinery elements design  机械零件设计基础

course design of machinery elements  机械零件课程设计

course exercise in machinery elements design  机械零件设计

high precision gravity and high precision magnetic  高精度重力和高精度磁法

precision and ultra precision machining  精密和超精密加工

Precision and ultra-precision manufacturing technology  精密和超精密加工技术

precision or super-precision machining  精密与超精密加工

General Office of Complete Set of Machinery of the First Machinery Industry Ministry of the State Construction Commission  机部机械设备成套总局

unmanned machinery space [= unattended machinery space]  无人化机舱; 无人当值机舱

rare earth elements lnon rare earth elements  稀土和非稀土元素

2 percent of precision  2.0%精度

2008 International Conference on Precision Agricul  第九届国际精准农业会议