以下为句子列表：
英文: Abstract: The water-saving solar hot-water heater is improved.The replacement of the two-position water and vapour valve of the water-saving solar hot-water heater by the two position automatic prot ection valve leads to the transition from hand to automa
中文: 文摘:用自动保护双位阀替代节水太阳能热水器的通水输气两位阀，使节水太阳能热水器从手动保护过渡到自动保护，改进了节水太阳能热水器系统.
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英文: Leave the drain valve of the holding tank opened.
中文: 让贮槽的排水阀打开。
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英文: Open the air-release valve of the trap beforework to discharge a large quantity of non-frozen gas.Then drivetightly the air-release valve and preheat gradually.The preheatrate should not be more than 36℃/minutes.
中文: 疏水阀在工作前需打开放气阀，使不凝结气体大量排出，然后拧紧放气阀，并逐渐预热，预热率不超过36℃/8分钟。
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英文: Remove all test equipment and open No. 2 shutoff valve of the device.
中文: 拆卸所有检测设备，开启装置上的2号关闭阀。
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英文: Science and technology of information of Shanghai business Yue expands limited company always fine the branch is professional company of the division trade that exhibition of project of sale agent of product of valve of the network product research and de
中文: 上海商悦信息科技发展有限公司永嘉分公司是专业致力于流体设备方面的网络产品研发、泵阀产品销售代理、流体项目展览展示的科贸型有限责任公司。
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