麻烦帮我改改A timber veranda post is a structural building element which provides support to the roof of veranda.It is moderately difficult to replace,however,since it is exposed,failure of a veranda post can be easily detected during normal ma

麻烦帮我改改A timber veranda post is a structural building element which provides support to the roof of veranda.It is moderately difficult to replace,however,since it is exposed,failure of a veranda post can be easily detected during normal ma
麻烦帮我改改
A timber veranda post is a structural building element which provides support to the roof of veranda.It is moderately difficult to replace,however,since it is exposed,failure of a veranda post can be easily detected during normal maintenance.Therefore,according to the assessment for durability requirement in B2,a veranda post would best fit in the 15 year durability requirement.
A gypsum plaster wall boards is used to make interior walls.It is a structural building element,however it does not provide stability to the building.It is actually not difficult to replace but time consuming.Failure of a gypsum plaster wall board can be easily detected during normal maintenance as its surface is exposed.Therefore,according to the assessment for durability requirement in B2,a gypsum plaster wall board would best fit in the 15 year durability requirement.

麻烦帮我改改A timber veranda post is a structural building element which provides support to the roof of veranda.It is moderately difficult to replace,however,since it is exposed,failure of a veranda post can be easily detected during normal ma
写得非常清楚了.不过我还是本着吹毛求疵精神,提一点文法方面的建议,供参考哈.
〔〕中的部分应去除.
（）中是改过的地方.
A timber veranda post is a structural building element (that) provides support to the roof of veranda.It is moderately difficult to replace,however,since it is exposed,failure of a veranda post can be easily detected during normal maintenance.Therefore,according to the assessment for durability requirement in B2,a veranda post would best fit in the 15 year durability requirement.
A gypsum plaster wall board[s] is used to make interior walls.It is a structural building element,however it does not (add) stability to the building.(Its replacement is not difficult) but time consuming.Failure of a gypsum plaster wall board can be easily detected during normal maintenance as its surface is exposed.Therefore,according to the assessment for durability requirement in B2,a gypsum plaster wall board would best fit in the 15 year durability requirement.