短語(yǔ)詞組

短語(yǔ)

• Hollow Steel Section 薄壁型鋼
• hollow -faced blade section 凹面翼斷面
• hollow section steel fence 空心鋼欄
• square hollow section columns 方管柱
• Square hollow section steel 方管鋼
• hollow section steel fencing 測(cè)孔千分尺
• square hollow section joints 方管節(jié)點(diǎn)
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