2109| 8
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螺絲標(biāo)準(zhǔn)查存 |
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點(diǎn)評(píng)
杯頭直徑 = 螺紋M的公稱直徑,;杯頭高度:當(dāng)M > 10時(shí),高度 = 1.5M,,當(dāng)M < =10時(shí),,高度 = 1.5 M+1。
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