Operation knowledge and maintenance experience of pipeline safety valve.
具备管道安全阀使用知识和维护经验者。
Provide the customer with pipeline installation and maintenance technical training.
为用户提供管道安装、维修技术培训。
Before performing any maintenance on the valve be sure the pipeline has been depressurized.
在进行阀门维护之前，确保管道已经卸压。
The integrity maintenance of old pipeline network is a major task for pipeline transportation company.
老龄管网的完整性维修是管道输送公司的主要任务。
A new method of pipeline repair and maintenance is introduced.
介绍一种管道维修新工艺。
A new method of pipeline repair and maintenance is introduced.
介绍一种管道维修新工艺。
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