balance beam
短語(yǔ)詞組
- balance lifting beam 天平
- balance e beam 平衡木
- balance e beam engine pump 發(fā)動(dòng)機(jī)平衡桿泵
- Non -automatic balance - Beam balance 非自動(dòng)天平
- Balance Beam Score 平衡木評(píng)分法
- Balance beam spherule 平衡木小球
- Balance beam pumping unit 遊梁式抽油機(jī)
- woman balance beam 女子平衡木
- balance beam system 平衡梁系統(tǒng) 返回 balance beam