hollow section
短語詞組
- 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(jié)點(diǎn) 返回 hollow section