hollow section

短语词组

短语

• Hollow Steel Section 薄壁型钢
• hollow -faced blade section 凹面翼断面
• hollow section steel fence 空心钢栏
• square hollow section columns 方管柱
• Square hollow section steel 方管钢
• hollow section steel fencing 测孔千分尺
• square hollow section joints 方管节点
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