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100~200mm 50~100mm 200~400mm
25.4士0.8mm 正取压距前端面1D,负取压距前端面D/2 正取压孔距前端面1D,负取压孔距前端面(0.2~0.8)D
≤100mm ≤300mm ≤340mm ≤430mm
24Mpa 300mm 28Mpa 300mm 24Mpa 340mm 25Mpa 340mm
≥24MPa、≤300mm ≥28Mpa≤300mm ≥24Mpa≤340mm
100-200mm 200-250mm 250-300mm
≥24Mp≤240mm ≥20Mp≤340mm ≥24mp≤340mm