对材料和浇铸工艺应作适当选择。
The materials and casting procedure should be chosen properly.
适当选择加固长度，可以实现塑性铰和破坏位置的转移。
An appropriate strengthened length can shift the plastic incursions and failure sections.
适当选择加固长度，可以实现塑性铰和破坏位置的转移。
An appropriate strengthened length can shift the plastic incursions and failure sections.
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