| 释义 |
1 ?塑料涂层管 ... negative buoyancy 负浮力 coated pipe 塑料涂层管 concrete 水泥，混凝土 ...
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A plastic-steel coated pipe is composed if internal plastic pipe, adhesive layer, steel pipe layer, thermosol layer and plastic layer. 一种塑钢包覆管材及制造方法，由内塑料管层、粘接层、钢管层、热熔胶层和塑料包覆层所组成。 - 2
After the coating has cured, but prior to installation, the coated pipe, fittings, and specials shall be tested for holidays in accordance with Sec. 5.1.5. 涂层固化现场安装前，所有涂塑管道，管件和其他配件都要按照Sec5.1.5有检漏。 - 3
On the coating production line, it is necessary to maintain the cleanness of the pipe, avoid pipe from overbending and assure a good cooling temperature of coated pipe. 实际生产过程中应保证钢管的清洁度、钢管弯度不宜过大、保证防腐管冷却温度等。
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