高压气、水管道除垢及护壁方法，涉及对供水管、给水管、煤气管、输油管清除管内的锈斑和结垢和涂覆护壁涂料的方法。
The present invention relates to the method of eliminating internal rust stains and scales of and coating wall protecting paint to water pipe, gas pipe and oil pipe.
本发明属于管道技术领域，公开了自加温耐高压输油管道及其制备工艺。
The invention belongs to the pipeline technical field and discloses a self-heating high pressure resistant oil transmission pipeline and a manufacturing process thereof.
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