The growth of slab shell accords with the square root rule in whole solidification process.
整个凝固过程坯壳厚度生长符合平方根定律。
The weight of the slab (beam) with the same strength can be greatly reduced.
同样强度的板(梁)，重量可大大降低。
The weight of the slab (beam) with the same strength can be greatly reduced.
同样强度的板(梁)，重量可大大降低。
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