Group act to cause damage includes two kinds of act, the damage caused by partner behavior or gang member's behavior.

团体致人损害行为包括合伙致人损害行为与团伙成员致人损害行为两种。

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Did mechanic behavior research in construction, finished bridge and operation stages. got mechanical characteristics of You Dun Gang bridge.

对大桥的各施工阶段、成桥阶段以及运营阶段的受力进行研究，得到了油墩港大桥的受力特点。

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