The UTC? range is especially designed for connecting pipes that are made from a variety of different materials, such as polyethylene, galvanized steel, PVC, copper, ABS, lead and stainless steel.
该产品专门设计用于连接用不同的材料制成的管道，这些材料有聚乙烯、镀锌钢、聚氯乙烯、铜、苯乙烯、铅、不锈钢等。
Emphasis is laid on applying the principle of "Slight oxidation-reduction method" to production of hot dip galvanized steel pipes. The manufacturing method, mechanism and test results are introduced.
文中着重介绍了新工艺采用微氧化还原法的原理生产热镀锌钢管的方法、机理、试验情况等。
Steel pipes parts, forged DIN 2980, black and galvanized.
锻制钢管件，黑钢和镀锌。
Steel pipes parts, forged DIN 2980, black and galvanized.
锻制钢管件，黑钢和镀锌。
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