most of the world's coral islands are in the pacific ocean.

large white heron of florida and the florida keys.

佛罗里达和佛罗里达南部珊瑚岛群的大型白色鹭。

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a group of volcanic and coral islands in the central pacific.

太平洋中部的一组火山岛和珊瑚岛。

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vanes can be shown or hidden. circular or rectangular duct can be specified.

可显示或隐藏叶轮。可指定是圆形管或矩形管。

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influence of material parameters on rectangular tube cross section deformation in rotary-draw bending process

材料参数对矩形管绕弯截面变形的影响矩形截面受弯构件变形验算的简化方法

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design in the mandrel land and smoothing the deformation of rectangular tube drawing

矩形管成品拉拔的芯头工作带设计与变形平滑化

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numerical simulation of wrinkling for rotary draw bending process of thin-walled rectangular tube

薄壁矩形管绕弯成形失稳起皱的数值模拟旋转拉伸弯管法

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heat transfer enhancement in rectangular pipe with longitudinal vortex

矩形管内纵向涡强化传热研究

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square and rectangular pipe directly forms to square technology

方矩形管直接成方工艺

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pass design method of indirect forming of rectangular pipe

一种间接成型矩形管的孔型设计方法

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properties characteristic of cold bending rectangular pipes and its application in building trade

冷弯方矩形管的性能特点及其在建筑业中的应用

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forward slip during rolling hot bending rectangular flat tube

轧制热弯矩形管扁坯前滑的研究

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failure mode and energy absorbing of metallic rectangular tubes subjected to axial compression

金属矩形管轴压失效模式与能量吸收特性研究

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the effect of curvature and torsion on flow characteristics in helical square pipes

用非笛卡儿张量分析螺旋状矩形管的流动特性

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optimal design of passes of square and rectangular pipes with high precision

高精度方、矩形管孔型的优化设计

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study on surface of the rectangular shoulder of packaging machines

矩形管翻领成型器曲面研究

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study on postbuckling plate assembly effect of rectangular tube under uniform compression

均匀受压矩形管的屈曲后板组效应研究

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the manufacture of square-rectangle steel tube for containers

集装箱用方矩形管的研制

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the utility model relates to a rectangular tube lead-acid accumulator.

一种方矩形管式铅酸蓄电池。

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design of bending die for long rectangular coreless thin wall tube

无芯薄壁长矩形管弯曲模设计

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this paper analyses the influence of chord stress on the axial strength of rectangular tubular tx-and xx-joints with fe package ansys and carries out the comparison against planar rectangular t-and x-joints.

本文使用有限元软件ANSYS分析了弦管应力对TX型和XX型矩形管节点轴向承载力的影响，并与相应的平面T型和X型矩形管节点作了对比。

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