projections投影图
projectionn.投影;投射;规划;发射;凸出物;预测;放映
projection manometer投影压力计
projection principle投影原则
projection of vector向量的投影
projection operation投影操作
projection curvature投影曲率
projection plastwork喷射粉饰
projection transform投影变换
projections distance投影距离
projection programmes预测程式
projection plastering喷涂抹灰