安装时特别注意：    1、每平方米使用螺栓不应少于10条；   2、螺栓沉头平面要求必须低于板面；    3、板材之间缝隙不应大于0.5cm(安装时要根据板材使用环境温度给予适当调整) 。

Installation note: 1 per square metre, the use of bolt should not be less than 10; 2, bolt head plane must be lower than the plate; 3, the gap between the plates should be less than 0.5cm (according to the installation plate using ambient temperature properly adjusted).