3693| 7
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到底是多大載荷才叫不大或是大呢? |
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點(diǎn)評
有理,!
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點(diǎn)評
理解了,。不過軸承額定靜載荷是靜強(qiáng)度,,額定動載荷是疲勞強(qiáng)度。不能混,,數(shù)值差別也大,。
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點(diǎn)評
心頭一熱,,頗有遇到知音的感覺,。謝zerowing大俠鼓勵,!
評分
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