antifreeze and frost resistance
durability of frost-resistance
Early stage critical strnegth in frost resitance
frost resistance
耐冻性
抗寒性
抗霜性
耐霜性
抗霜冻力
抗霜力
抗冻性
抗冻性能
抗冻力
抗冻
防冻
防冻性
抗冻剂
frost resistance design
Frost Resistance Durability
Frost resistance of concrete
frost resistance property
frost-resistance concrete
frost-resistance property
resistance frost technique
variation of frost resistance mix ratio