Water vapour transmission rate: An indication which determines the waterproof qualities of packaging paper.
透湿度：鉴定包装纸的防水性能的质量指标。
Application: apply to various bibulous rate high granite, marble, sandstone, limestone materials waterproof.
适用范围：适用于各种吸水率较高的花岗岩、大理石、砂岩、石灰石等材料防水。
But this kind of heat preservation material bibulous rate than other materials high, when using, must do the waterproof layer and crack.
但此种保温材料吸水率较其他材料高，使用时必须加做抗裂防水层。
Artificial freezing method is often used with the advantages such as suitability, pollution, waterproof property and rate of progress of the construction.
人工冻结法以结构适应性强、无环境污染、隔水性好等优点，在联络通道施工中常被采用。
Artificial freezing method is often used with the advantages such as suitability, pollution, waterproof property and rate of progress of the construction.
人工冻结法以结构适应性强、无环境污染、隔水性好等优点，在联络通道施工中常被采用。
应用推荐