air chemical action 中文意思是什麼
air chemical action
解釋
化學空襲-
Firstly, this paper expounds the research on the physical and chemical performance of pumice and the action of those performance to pumice concrete, and the adaptability of calcium lignosulfonate to pumice concrete, and the influence of air - entrained agent to the performance of pumice concrete
本文首先對浮石的物理、化學性能及其對混凝土的影響進行了系統試驗與研究;並進行了減水劑對浮石混凝土的適應性,以及摻加引氣劑對浮石混凝土性能的影響的分析研究。
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