The drug will lose its potency when exposed to moisture.\x0d这药一受潮就会失效.Formation of an aluminum oxide layer on exposed surfaces makes this metal very corrosion resistant.Not recommended for high pH wet systems.\x0d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.The wind had ripped away the clapboards and exposed the studding\x0d风刮掉了护墙板,显露出壁骨材料.Be prepared!Adequate personal protective equipment must be provided to each employee who may be exposed to HF.\x0d一定要作好准备!
