vicat needle 中文意思是什麼
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Standard test method for time of setting of hydraulic cement by vicat needle
用維卡針測定水硬性水泥凝固時間的標準試驗方法 -
Standard test method for time of setting of hydraulic cement mortar by modified vicat needle
用改良的維卡特針測定水凝水泥灰漿凝固時間的標準試驗方法
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