圆形剧场 Amphitheatre ; Amphitheater ; amphitheateramphitheatre ; Anfiteatro Romano 圆形丁字钢 TBulb Steel ; Bulb Steel 圆形气垫 circular air cushion ; circular air mattress ..
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Flat Bulb Steel 球扁钢 ; 扁钢
Flat-Bulb Steel 球扁钢 ; 球缘扁钢
flat bulb steel for Shipbuilding 船用球扁钢
Bulb-Rail Steel 球头丁字钢 ; 球头丁字钢梁
bulb rail steel T-bulb steel 球头丁字钢
asymmetric bulb steel 不对称球扁钢
T-bulb steel 球头丁字钢
bulb rail steel 球头丁字钢
This backing is uesd for CO2 one-side welding of bulb steel.
本衬垫适用于各种球扁钢对接接头CO2气保护单面焊用。
The method of the invention is also suitable for the production of other thin-wall sections such as I-beam, U-beam, flat bulb steel, angle steel, etc.
本发明方法对工字钢、槽 钢、球扁钢、角钢等其它薄壁型材的生产也十分适用。
The results show that V-N microalloying helps to improve section homogeneity of mechanical property for bulb flat steel, especially for strength enhancement in center of bulb.
结果表明，V - N微合金化技术改善了球扁钢的截面性能均匀性，显著提高了球头心部的性能。
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