生产经营单位必须对安全设备进行经常性维护、保养，并定期检测，保证正常运转。
Production and business units shall have their safety equipment constantly maintained and serviced and regularly tested in order to ensure its normal operation.
生产经营单位必须对安全设备进行经常性维护、保养，并定期检测，保证正常运转。
Production and business units shall have their safety equipment constantly maintained and serviced and regularly tested in order to ensure its normal operation.
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