电机通风用异形钢材是一种机械零件，其断面形状类似工字钢和H型钢。
Electromotor ventilation section shape is similar to the I beam and H beam.
试验结果表明，型钢异形截面柱的塑性要优于普通型钢异形截面柱的塑性。
Accordingly, testing results indicate that the plasticity of steel reinforced concrete special-shaped columns is superior to that of common reinforced concrete special-shaped columns.
冷弯空心型钢是冷弯型钢中的一类重要产品，其通常包括圆管、方、矩形管以及按照特殊要求制作的异形管。
Cold-roll void forming sheet is an important product in cold-roll forming sheet, which usually includes pipe, square tube, rectangle tube and unusual tube made by special requirements.
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