The prospect and industrialization feasibility of Multi-ribbed Slab Structure System is described, which is a new type of structural system.
阐明了密肋壁板结构这一新型建筑结构体系的发展前景及产业化的可行性。
The experiment result shows that the theoretical values are close to those measured, which provides a theoretical basis for internal-ribbed pipe cold-drawing equipment type selecting.
实验表明，理论计算值与实测值较吻合，可为冷拔内螺旋凸筋管的拔制设备选型提供理论依据。
The utility model discloses an evaporation type condenser cooling pipe. The inner side of an elliptical chilled pipe body 1 is provided with a ribbed groove 2.
本实用新型公开了一种蒸发式冷凝器冷却管，它是在椭圆形冷却的管体1的内侧设有肋化沟槽2。
The utility model discloses an evaporation type condenser cooling pipe. The inner side of an elliptical chilled pipe body 1 is provided with a ribbed groove 2.
本实用新型公开了一种蒸发式冷凝器冷却管，它是在椭圆形冷却的管体1的内侧设有肋化沟槽2。
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