灭火器工艺流程
推车灭火器阀门瓶口螺纹:G2喷管螺纹:G1/2吸管螺纹:G3/4压力表螺纹:1/8''NPT灭火器阀门口连接螺纹M30X1.5喷口连接螺纹M14X1.5装表连接螺纹M10X1X12.5干粉灭
灭火器工艺流程