n.
1.【美】铝
1.【美】铝
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- Pool fencing. And security at wholesale prices. Direct from the manufacturer. Powder coated aluminum fencing . From $42 metre
游泳池围栏,保障安全之物,以批发价销售,厂商提供指导,粉末喷涂铝质材料,每米起售42元收藏 - Formation of an aluminum oxide layer on exposed surfaces makes this metal very corrosion resistant. Not recommended for high pH wet systems.
铝青铜表面的铝氧化层结晶体,使其具有很强的抗腐蚀能力。但是建议不要在高PH值的潮湿环境中使用。收藏 - Toxicity problem in manufacturing and storage might be alleviated by coating beryllium with aluminum
但如果用铝包覆铍,则可避免加工过程中及储存期间的中毒问题。收藏 - It was a terylene diaphragm coated with a layer of aluminum
它利用一个镀有铝层的涤纶膜片。收藏 - Selenium and aluminum are found in vanishingly small concentrations within living things
硒和铝在生物中含量其微。收藏
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