N a longitudinal slot cut into a component to accept a key that engages with a similar slot on a mating component to prevent relative motion of the two components 键槽
Commonly used targets include gear teeth, slotted discs, shafts with keyways, etc. made of carbon steel, iron, or magnetic stainless steel.
常用的指标包括与键槽齿轮，开槽盘，轴等的碳素钢，铁，或磁性不锈钢制造。
A concrete gravity dam with 1 ~ 2 longitudinal seams and level keyways in seam surface was grouted when the concrete stays a stable temperature.
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。
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