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NPT螺纹简要尺寸管子公称尺寸in1/161/81/43/81/23/411 ¼1 ½22 ½33 ½4管子外径in0.31250.4050.5400.6750.8401.0501.3151.6601.9002.3752.8753.5004.0004.5...
aishukong 9年前1150 NPT螺纹