According to lifting hoist reel tube shell structure and work situation, a 3-d calculated model of tube shell has been established with finite element analysis method.

采用有限元分析方法，根据提升绞车卷筒筒壳的结构和工作情况建立了筒壳的三维计算模型。

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According to the actual work situation of the piles with branch plates, a model test equipment is designed to research load transfer mechanism of the piles with branch plates in different soil layers.

根据挤扩支盘桩的实际工作性状，设计了一个室内模型试验装置来研究支盘桩在不同土层中的荷载传递规律。

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With used-car values already out of whack, shoppers need to be extra cautious to avoid compounding an already unfavorable financial situation by selecting a more problematic model that will require costly out-of-warranty repair work.

MSN: Used-car clunkers to avoid