Expose cylinders to corrosive materials such as ice melting compounds.
把钢瓶暴露于腐蚀性材料，如冰雪融化的化合物。
These tiny, airtight vials, sealed under high pressure, are resistant to water, oil and the most corrosive materials.
这些微小的，密闭瓶，密封在高压力，能抵抗水，油和最腐蚀性材料。
Security staff at Metro stations check prohibited items such as fireworks, gasoline, poisons, corrosive materials and hazardous chemicals.
地铁安检保安主要检查的物品包括烟花爆竹、汽油、有毒物品、腐蚀性物品以及危险化学制品。
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