小於1/4, cement mix 塞進縫裏很困難, 進去了, 也很難形成牢固的結構。>1/4 縫填了之後數周後, 應該有細小裂紋出現, 再用矽膠密封。
小於1/4, cement mix 塞進縫裏很困難, 進去了, 也很難形成牢固的結構。>1/4 縫填了之後數周後, 應該有細小裂紋出現, 再用矽膠密封。
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy