Leakage from long pipelines causes loss of oil, waste of resources, pollution of environment, even fire and explosion.
长输管道发生泄漏会造成油品损失、能源浪费、环境污染甚至火灾爆炸等一系列问题。
The conic mechanical seal has been used in sand pumps in oil fields with well performance, long life, low leakage and low power loss.
锥面机械密封已应用在离心砂泵上，经钻井公司使用，效果良好，泄漏量小，寿命长，功耗低。
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