Warning: file_put_contents(): Only 0 of 6544 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 anti-freezing mixture是什么意思，anti-freezing mixture的翻译，anti-freezing mixture音标、读音、用法和例句_魏碑心思朗文词典
This paper concluded and analyzed the depiction that concerned concrete frost mechanism for many years, and studied the anti-freezing mixture action. 本文综合并分析了多年来关于混凝土受冻机理的叙述，并对防冻外加剂作用进行研究。