The invention connects a hose with LPG and compressed air, the dead weight is light, the invention is easy and flexible for handheld construction, the labor intensity is reduced;
本发明通过软管与液化气及压缩空气连接，自身重量轻，手持施工方便灵活，降低了劳动强度；
The invention connects a hose with LPG and compressed air, the dead weight is light, the invention is easy and flexible for handheld construction, the labor intensity is reduced;
本发明通过软管与液化气及压缩空气连接，自身重量轻，手持施工方便灵活，降低了劳动强度；
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