metal black meaning in English

钢铁生化兽
金属黑

Standard specification for metal black panel and white panel temperature devices for natural weathering tests
自然气候试验用金属黑面板和白面板温度设备标准规范
Supplier of precious metals and their derivatives , with products ranging from metal blacks and sponges to organometallic compounds , for use in decorative materials , chemical catalysis and synthesis , electrical and electronic equipment , and other industrial applications
-生产销售合成氨，农用碳酸氢铵，硫酸，普通过磷酸钙，多元复合肥，腐植酸钠，塑料编织袋，黄磷桶等农用化学品，包括公司简介产品介绍招商引资等