The introduction of the concept of bellows wall thickness accuracy has the universal significance and reference value for manufacturing technology of other thin wall tube like products.
提出的管坯壁厚精度概念极其控制方法具有普遍性，对于其它薄壁筒形件的制造工艺具有参考作用。
C steel pressure tile machine in its wall thickness can be made very thin, and greatly simplifies the production process, improve production efficiency.
型钢压瓦机制造它的壁厚可以制得很薄，而且大大简化了生产工艺，提高生产效率。
Note that the thickness of the myocardial wall is normal superiorly, but inferiorly is only a thin fibrous wall.
尽管心肌壁的厚度正常，但内部仅为薄弱纤维。
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