阿基米德蝸桿 Archimedes worm安全系數(shù) safety factor; factor of safety安全載荷 safe load凹面、凹度 concavity扳手 wrench 板簧 flat leaf spring 半圓鍵 woodruff key變形 deformation擺桿 os...
阿基米德蝸桿 Archimedes worm安全系數(shù) safety factor; factor of safety安全載荷 safe load凹面、凹度 concavity扳手 wrench 板簧 flat leaf spring 半圓鍵 woodruff key變形 deformation擺桿 os...
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