| ประโยคภาษาจีน : 中文句子 | 
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|  bù不  tóng yú同于  dòng róng冻融  xún huán循环  zuò yòng作用  hùn níng tǔ混凝土  zài在  liú suān nà硫酸钠  róng yè溶液  zhōng中  dòng róng冻融  gàn shī干湿  xún huán循环  shí时  de的  zhì liàng质量  sǔn shī损失  dà大 | 
| The weight loss of concrete samples subjected double effects was greater than that of single frost effect in sodium sulfate solution. |