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1.The frame output tube is crucial for the stability of the machine.
框架输出管对于机器的稳定性至关重要。
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2. The engineer carefully designed the frame output tube to meet the requirements of the project.
工程师仔细设计了框架输出管以满足项目的要求。
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3. The frame output tube was installed in the factory to ensure that the product quality meets the standards.
框架输出管在工厂安装以确保产品符合标准。