... nominal bearing width 轴承公称宽度 nominal bore diameter 公称内径 nominal chamfer dimension 公称倒角尺寸 ...
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Nominal diameter and flow valves, basically the same breath for full-bore type, Circulation than nominal diameter valve is given. it small called non-reducing type.
流道孔径与阀门公称通经，基本相同的为全通径式；流通孔径比阀门公称通经小的称为缩径式。
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