The acids in the food begin to attack and dissolve the metal lining of the can, and one of the by-products of this chemical reaction is hydrogen gas.
食品中的酸性物质开始溶解罐的金属内层，这种化学反应会产生氢气。
2
Product has excellent high temperature physical properties and resistance to chemical attack, widely used in various parts of small blast furnace lining.
产品具有优良的高温物理性能和抗化学侵蚀性能，广泛应用于中小高炉炉衬的各个部位。
3
The attack occurred near dozens of cars lining up outside the fuel station, the source said.