房屋建筑物和构筑物使用过程宛如人的生存，材料也会老化，要定期检查维护以至加固补强。
Humans all have a life span and so do buildings and their structures. Building materials have ageing and degradation problems; therefore require regular maintenance and reinforcement.
房屋建筑物和构筑物使用过程宛如人的生存，材料也会老化，要定期检查维护以至加固补强。
Humans all have a life span and so do buildings and their structures. Building materials have ageing and degradation problems; therefore require regular maintenance and reinforcement.
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