渐开线型线
involute profile
involute of circle limitations
敞开式开仓条件
the conditions of opening the cabin
功率因数校正跟随升压技术电子镇流器离线式开关变换器
PFC follower boost technique electronic ballast off-line switching converter
荷花开式开关模机构
Lotiform Open-close mould
渐开线型圆柱形叶片
Cylindrical Blade with Involutes Contour
离线式PWM开关电源
Off-line PWM switched mode power supply
线型开发建设项目
linearization construction and exploitation projects
底压式造型机
bottom squeeze moulding machine
电磁式造型机
electromagnetic molding machine
翻台式造型机
roll-over moulding mahine