It has advantages of simple step, shortening operating time and so on.
本发明具有步骤简单、缩短操作时间等优点。
The operating principle, structure and advantages of dual controlled gas constant pressure valve are analyzed.
分析了双控燃气稳压阀的工作原理、结构和优点。
With the advantages of high effect, operating by several persons and wife application.
具有功效高、多人同时操作，使用范围广等优点。
The utility model has the advantages of small size and excellent operating effect.
本实用新型的体积较小，使用效果很好。
The utility model has the advantages of small size and excellent operating effect.
本实用新型的体积较小，使用效果很好。
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