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加工和包装常常要求带式输送机举起、放下或运送产品。
Processing and packaging often require belt conveyors to elevate, decline, or transport product.
youdao
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加工和包装常常要求带式输送机举起、放下或运送产品。
Processing and packaging often require belt conveyors to elevate, decline, or transport product.
youdao