求翻译：电气、仪表、管道和设备试运转，应该严格按照单项安全技术措施进行。运转时不准擦洗和维修，严禁将头伸入机械行程范围内。是什么意思？

Electrical, instrumentation, piping and equipment, commissioning, safety should be strictly in accordance with individual technical measures. Running are not allowed to scrub and maintenance, is strictly prohibited within the first stroke mechanical stretching.

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Electrical, the measuring appliance, the pipeline and the equipment test run, should carry on strictly according to the single item safety work measure.When revolution does not permit to scour with the service, will forbid strictly entering in the mechanical traveling schedule scope.

Electrical, instrumentation, piping and equipment commissioning, should be strictly in accordance with the individual safety measures. Operation not allowed when cleaning and maintenance, is strictly prohibited head into mechanical stroke range.

Electrical, instrumentation, piping and equipment commissioning, should be strictly in accordance with the individual safety measures. Operation not allowed when cleaning and maintenance, is strictly prohibited head into mechanical stroke range.