Welding technique is the main method used for joining engineering plastic pipe and directly influences the application of engineering plastic pipe.
焊接技术是工程塑料管道的主要连接方法，直接影响高密度工程塑料管道的安全应用。
Welding technique is the main method used for joining engineering plastic pipe and directly influences the application of engineering plastic pipe.
焊接技术是工程塑料管道的主要连接方法，直接影响高密度工程塑料管道的安全应用。
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