The utility model has the advantages of simple structure, prolonged life span of the spray gun and can reduce work load of maintenance.
本实用新型结构简单，可延长喷枪的使用寿命，减少了维护工作量。
The utility model has the advantages of simple structure, prolonged life span of the spray gun and can reduce work load of maintenance.
本实用新型结构简单，可延长喷枪的使用寿命，减少了维护工作量。
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