- two way reinforced
- two-way reinforced
- 双向: two-way
- 配: join in marriage
- 筋: muscle tendon; sinew
- 的: 4次方是 The fourth power of 2 i ...
- 双向配筋的钢筋混凝土: two way reinforced concrete; two-way reinforced concrete; two-way-reinforced concrete
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