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1·The utility model relates to a rectangular tube lead-acid accumulator.

一种方矩形管式铅酸蓄电池。

2·Features: the lifting mechanism adopts high strength manganese steel rectangular tube production.

特点：举升机构采用高强度锰钢钜形管制作。

3·Aiming at the deficiency of rectangular tube drawing process, the forming process was optimized from two aspects.

针对矩形管拉拔成形中出现的不足，本文从两个方面对矩形管拉拔成形过程进行优化。

4·Pipe end its shape is divided into tube, square tube, rectangular tube, oblate tube, P-shaped pipe, rectangular pipe.

钢管因其端部外形又分成圆管、方管、矩形管、扁圆管、P形管、异型管。

5·The achievements of our research groups on the behaviors of concrete-filled steel rectangular tube columns under fire conditions are introduced.

简要介绍了关于火灾下矩形钢管混凝土柱力学性能的研究成果。

6·In this paper, a 3-d parametric finite element model for a pressurized cylinder with a long rectangular tube joint was established using the finite element software FEPG.

在本论文中，运用有限元软件FEPG建立了带长矩形接管受压圆筒体的三维参数化有限元模型。

7·The square and rectangular tube of handling container by SPA-H strip can be meet the requirement of custom, and same assortment hot rolled coil strip can be replaced by it.

用该钢带制造的集装箱方矩形焊管完全可满足用户要求，可替代同品种的热轧卷板。

8·For boiler air-flow rectangular tube, the article introduced using Logarithmic Chebychev method to design air-flow meter and choose appropriate proper model according to design scheme.

文章针对锅炉送风矩形大管道，运用“对数一切比雪夫”法的速度一面积法，来设计风量测量装置，以及根据设计的方案选型。

9·The invention relates to a double-rectangular tube restraining type assembled buckling-restrained brace with an H-shaped cross section, belonging to the technical field of structural engineering.

双矩形管约束型H形截面装配式防屈曲耗能支撑，属于结构工程技术领域。

10·A vertical stiffening rib joint is suitable for rectangular steel tube column with smaller section to H-beam connection.

垂直加劲肋节点适用于柱截面较小的方钢管(矩形管)柱和H型钢梁节点。