Valve flap and valve seat for the soft seal, seal performance, no leakage.
阀瓣与阀座为软密封，密封性能好，无泄露。
Metal rifle body, soft seal between the top of the nozzle and the needle, ready for use.
金属枪体，使用方便，喷管顶端部位与顶针的密封采用软性材料密封，经济实用。
Metal rifle body, soft seal between the top of the nozzle and the needle, ready for use. Economical but last...
金属枪体，使用方便，喷管顶端部位与顶针的密封采用软性材料密封，经济实用。
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