建築時的破壞(建築物料)??
2008-03-27 11:16 pm
建築時的破壞(建築物料)?????????????????????????建築時的破壞(建築物料)???????????????建築時的破壞(建築物料)????????????
回答 (2)
2008-03-29 11:03 pm
✔ 最佳答案
There is a construction material that will be damaged during constructionIt is expansion anchor bolt. The anchor head will be expanded and damaged (irreversible) during application to provide the pull out resistance.
2008-03-29 7:20 am
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https://hk.answers.yahoo.com/question/index?qid=20080327000051KK01923