silicone building sealant

例句：

1. 1.The new silicone building sealant is more durable than the old one.
   这种新的硅酮建筑密封剂比旧的更耐用。
2. 2. They used this silicone building sealant to waterproof their wooden floor.
   他们使用这种硅酮建筑密封剂来防水他们的木地板。
3. 3. The silicone building sealant was applied evenly on the wall surface to prevent water infiltration.
   在墙面表面均匀涂抹硅酮建筑密封剂，以防止水分渗透。