The invention discloses a multi-assemblage trainer which is characterized by comprising more than three upright posts (1), and a trainer is arranged between two adjacent upright posts.
本发明公开了一种多组合训练装置，其特征在于：包括三个以上的立柱 （1），相邻两立柱设有训练装置。
There was no statistical significance (P> 0.05) of the fracture rate of post-core between fiber posts(1) and cast metal posts(1).
纤维桩组与铸造金属桩组桩核折断各1例，差异无统计学意义（P>0.05）；
There was no statistical significance (P> 0.05) of the fracture rate of post-core between fiber posts(1) and cast metal posts(1).
纤维桩组与铸造金属桩组桩核折断各1例，差异无统计学意义（P>0.05）；
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