some engine blocks
一些发动机缸体
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Some engine blocks are made entirely of aluminum.
而有些气缸体完全由铝做成。
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Finally, some problems that should be taken care of in the design and structural analysis for engine blocks are pointed out according to calculation results.
最后，根据计算结果提出了在机体设计及结构分析中应注意的几个问题。
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