某大坝是混凝土重力坝，根据温控要求，坝体设置1 ~ 2条纵缝，缝面设置水平键槽，在坝体混凝土达到稳定温度后进行接缝灌浆。

A concrete gravity dam with 1 ~ 2 longitudinal seams and level keyways in seam surface was grouted when the concrete stays a stable temperature.

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本机床用以加工各种零件的平面、型面及键槽等， ， 对单件或小批生产车间最为适合。

This machine tool is used process plsnes, model surfaces, key seating, etc, and it is suitable for the single-piece or small-batch production.

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