void (holes) 中文意思是什麼
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Relacing void former - coring through beams and slabs for the installation of ducts and pies. holes formed by coring will be more precise, fast and help increasing productivity
代替在結構混凝土上留孔-在部份工程因工程關系和時間上須要而不能預先留位以便日後管道安裝之用,則多數曾採用鉆孔之方法以提高工作效率。
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