At lease 1 or 2 weeks above 0 temperature.

来源: katies 于 2005-12-22 13:15:09 [] [旧帖] [给我悄悄话] 阅读数 : 0 (151 bytes)
回答: 可以做，但要有相应保护措施 由 katies 于 2005-12-22 08:48:35

For good builder, they won't do concretion when the tempreture below 0 too much, you should ask your builder
before they start to build your house.

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