built up section

基本解释

The invention relates to multi-cylinder built-up section cold-bending automatic molding equipment and a processing method thereof.
本发明是一种多缸组合型材冷弯自动成型装备及其加工方法。
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Sixth, because the product is the built-up section, disassembles andassembles simply, maintains the convenience, the easy to operate.
因产品是组合结构，拆装简单，保养便利，使用方便。
Based on the force analysis of single bubble movement and movement characteristic research of many bubbles in random time section, the mathematics modeling of many bubbles movement was built up.
在对水下单气泡运动受力分析及任意时间剖面多气泡运动特性研究的基础上，建立了水下气泡群运动数学模型。