Test methods, conditions and requirements of safe operation, repair, troubleshooting and maintenance procedures.

维修保养手册或安全运行，维修，故障排除和维修程序的试验方法、情况和要求。

youdao

Classical metal color stone tile cutting easy, easy to bend, per square metre only 2, safe to use, quick installation, basically do not need to maintenance and repair.

圆弧型金属彩石瓦易切割、易弯曲，每平方米仅需2片，使用安全，安装快捷，基本不需维护维修。

youdao

Classical metal color stone tile cutting easy, easy to bend, per square metre only 2, safe to use, quick installation, basically do not need to maintenance and repair.

圆弧型圆弧型金属彩石瓦易切割、易弯曲，每平方米仅需2片，使用安全，安装快捷，基本不需维护维修。

youdao

Classical metal color stone tile cutting easy, easy to bend, per square metre only 2, safe to use, quick installation, basically do not need to maintenance and repair.

圆弧型圆弧型金属彩石瓦易切割、易弯曲，每平方米仅需2片，使用安全，安装快捷，基本不需维护维修。

youdao