承压的地下排水和排污工程用塑料管道系统。基于不饱和聚酯树脂的玻璃纤维增强式热固塑料制品。第3部分：配件。

Plastics piping systems for underground drainage and sewerage under pressure. glass - reinforced thermosetting plastics based on unsaturated polyester resin. part 3: fittings.

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外壳采用玻璃纤维增强不饱和聚酯树脂模压而成或采用不锈钢焊接成形。

Outer cover adopt glass fibre strengthen and unsaturated polyester resin mould pressing become or adopt stainless steel not to take shape.

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