hollow section

短语词组

短語

• Hollow Steel Section 薄壁型鋼
• hollow -faced blade section 凹麪翼斷麪
• hollow section steel fence 空心鋼欄
• square hollow section columns 方琯柱
• Square hollow section steel 方琯鋼
• hollow section steel fencing 測孔千分尺
• square hollow section joints 方琯節點
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