金属骨架的形状与塑料管道形状相似。
The shape of the metal framework is similar to the shape of the plastic pipeline.
近些年来,我国塑料管道行业迅猛发展。
In recent years, plastic pipeline industry has been developed rapidly in China.
塑料管道已经形成了初具规模的行业力量。
The plastic-pipe-industry's definite scale made it the influence.
康润公司的主要产品有:各类塑料管道挤出生产线;
康润公司的主要产品有:各类塑料管道挤出生产线;
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