Safe switches are installed for many parts to make sure the safe and reliable operation.

本设备多处装有安全开关，使用安全可靠。

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Thank you for your trust in our product. Please read the manual before use to ensure proper use and safe and reliable operation of the product.

衷心感谢您对本公司产品的信任，为了保证本产品被正确使用和安全可靠地运行，请您仔细阅读本手册。

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The evaluation on the retained limit strength of in service oil pipelines is a basic job ensuring safe and reliable operation of the pipelines.

在役石油管道剩余极限强度评价是为保障在役石油管道安全可靠运行的基础工作。

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