square tubing meaning in English

正方管

Aluminium alloy profiles for square tubes
方管类铝合金型材
Tg insulators and fittings for overhead lines . metal fittings . galvanized square tubes
架空线路用绝缘子和配件.金属配件.镀锌方管
Laminated products ; compression moulded square tubes of paper - base laminate or fabric - base laminate
层压制品.纸基层压或织物层压的模压方形管
Product categories include stainless steel round tubes , square tubes , rectangular tubes , embossedtubes and threaded tubes , etc
产品的种类包括：不锈钢圆管、方管、矩管、压花管、螺纹管等。
Floating head heat exchanger with welded floating head ; number of passes : 2 , tubes 25 , square tube pitch 32 ; number and pattern of tubes , tie rods and slide rails
带焊接浮动头的热交换器.通路数2 ，管25 ，方形管心

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