P 开头单词
projectionometer 投影计
projectionmeter 投影仪
projectionist high definition volume mascara 纤密深邃睫毛膏
projectionist n. 放映员；电视技师；地图绘制员；电影放映师
projectional adj.投射(凸出；投影；计划；预测；具体化)
projection-type 投射式
projection welding machine [交通运输工程]凸焊机[机械工程]凸焊机
projection welding [机] 凸焊；凸出焊接
projection weld machine [机械工程]凸点电阻焊机
projection tv set [经济学]投影电视机
projection tolerance zone [机械工程]延伸公差带
projection television receiver 投影电视接收机
projection technique 投射技术；投影技法
projection system 投影系统；投射系统
projection screen 投影屏幕
projection pursuit 投影寻踪
projection printing 投影光刻；[印刷] 投影印刷；[印刷] 投影晒印；投影晒像
projection plane 投影平面；[数] 射影平面