The concrete precast unit during setting period in winter season, would be most likely damaged by freezing and eventually reduced in strength and durability.
冬季施工的混凝土构件，在硬化过程中有可能遭受冻害。
The concrete precast unit during setting period in winter season, would be most likely damaged by freezing and eventually reduced in strength and durability.
冬季施工的混凝土构件，在硬化过程中有可能遭受冻害。
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