Four stroke horizontal engine.

四冲程发动机的水平。

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Adjusts the engine bed horizontal altitude, the scope is big.

调节机床水平高度，范围大。

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Horizontal Slide Valve Steam Engine plans with instructions in.

pd f format横向滑阀蒸汽机计划的指示。

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Horizontal Slide Valve Steam Engine plans with instructions in.

pd f format横向滑阀蒸汽机计划的指示。

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