belt guard
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皮带防护罩彻底保护皮带安全，防止灰尘进入皮带。
Belt guard provides complete safety and protection of the v-belt from dirt ingress.
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设备上的链条、皮带轮、轴、皮带及其他运转部分都应该设置上防护罩和防护板。
The chain, pulley, shaft, belt and other running parts should be equipped with protective cover and protective board.
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