以下为句子列表：
英文: Long-life leakproof packing chamber with double packing and leak-off or single set packing.
中文: 配置双填料和无泄漏的长寿命防泄漏填料腔或单填料。
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英文: Since its establishment, the team has accomplished about 500 projects of lithologic reconnaissance, for example the high building of the second station of Hainan Military Command, and many complicated projects of dam grouting and leakproof in Hainan Provi
中文: 建队以来，完成了海南军区二所等18幢高层建筑等岩土工程勘察项目500余宗，参加过省内、国外（我国援建工程）的水坝灌浆补漏的维护修复工程多宗。
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英文: Special safety concepts signalise a beginning failure of the leakproof operation.
中文: 当无泄露操作开始出现故障时，特殊的安全装置会有报警信号发出。
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英文: Stronger leakproof body-bonnet joint.
中文: 更有效的防泄漏阀体-阀帽连接。
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英文: Using seamless and leakproof urethane frame for good vacuum seal.
中文: 防漏性佳：使用一体成型之防漏圈条，防漏性佳。
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