boiler with bent tubes 弯管式水管锅炉
Qualification tests for bent tubes 弯管的合格试验
water-tube boiler with bent tubes 弯管式水管锅炉
THREE STEEL TUBES BENT 三条钢管弯曲
It's a reference for producing qualified bent tubes.
对如何生产合格的冷弯管子有一定的参考作用。
The wall thickness distribution of bent tubes by using ball filler is more uniformly than those by using rosin filler.
运用珠粒填料成形出的管材弯曲内外侧壁厚分布比松香填料的均匀。
These are 12-inch-diameter tubes that have been inflated, bent to the proper shape and stiffened with a plastic resin, then installed side by side and stuffed with concrete, like giant manicotti.
多个直径12英寸的布套膨胀弯曲成合适的形状用塑料树脂增强然后并排安装并填充混凝土像巨型通心粉似的。
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