Photography-sensitometry of screen film systems for medical radiography-determination of sensitometric curve shape, speed and average gradient for mammography 摄影.医用放射照相用屏蔽胶片系统的感光测定.感光曲线形状速度和乳腺x射线照相术平均梯度的测定
Bentwood is wood that is brought to a curved shape by bending it while made pliable with moist heat or other agency, and then set by cooling or drying 倾销指以低于国内市场或第三国的价格、或者以低于生产成本的价格出口产品。倾销幅度指倾销价格与公平价格之差。
Mode wd165 universal wheel dresser adaptable on surface grinder and universal tool grinder for dressing grinding wheels into various cross sections of flat or curved shapes wd165万能砂轮修整器适用于平面磨床、万能工具磨床上,修整由直线和圆弧组成的各种截形砂轮。