The Vanward water heater water Leakage deformation and deformation of rubber ring; the heating pipe deformation, resulting in poor sealing water Leakage.
万和热水器胶圈变形漏水；因加热管变形而变形，导致密封不严漏水。
FRYS series heat-shrinkable sleeve products are designed for connection and sealing of ports of double-wall corrugated pipe for water discharge and supply of municipal engineering.
热缩系列产品，是为市政工程排水、给水用双壁波纹管端口连接密封而设计的。
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