Didy loves listening to stories , studying stage design , painting and music 爱听故事的人,学习舞台设计，喜欢画画和音乐。
2.
In this paper the properties of the polymer modified cement mortar are studied of didy formwork concrete surface coated layer for protection . the emphasis is focused on the permeability and cracking - proof feature 本文主要对模网混凝土聚合物改性水泥砂浆保护层的性能进行研究，着重探讨了与耐久性密切相关的抗裂性能和抗渗性能。
