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第三是在机泵皮带传动时,皮带的紧边应在下,以提高传动效率。
The third is in the Pump transmission belt, the belt should bear in the next-to enhance the transmission efficiency.
youdao
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第三是在机泵皮带传动时,皮带的紧边应在下,以提高传动效率。
The third is in the Pump transmission belt, the belt should bear in the next-to enhance the transmission efficiency.
youdao