Sandwich structure is a bearing structure with excellent mechanics performance, which can fully display material function, ensuring materials maximum utilization, achieving the result of steel saving.
夹层结构是一种力学性能优越的承载结构，它可以充分发挥材料的作用，做到物尽其利，达到节约钢材的效果。
The utility model has the advantages of simple structure and good sealing effect, has high bearing pressure, saves raw materials and can realize the sandwich subdivision.
具有结构简单、密封效果好的特点，承压高，节省原材料，并可实现夹层细分。
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