18980| 32
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同步帶傳動(dòng)還一定要有張緊裝置嗎,?采取什么樣的呢,? |
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點(diǎn)評(píng)
一般就設(shè)計(jì)成中心距可調(diào),或者條件限制就設(shè)置張緊輪
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