projection line英语标准发音:projection line英式发音:美式发音:翻译中文投影线projection line - 基本释义[词典1]尺寸界线投影线投射线projection line - WEB词典projection line投影线投射线尺寸界线投影线Projection-line load载影线projection and line投影线 参考资料: 1.百度翻译:projection line2.有道词典:projection line3.爱词霸:projection line