上面有减压阀,将1800psi左右的氧气压力减小到60psi左右,氧气瓶上还有
60 psi 1/4"npt 2" dial pressure gauge back mount p
精度金属胎压计机械气压计汽车轮胎气压表可放气胎压监测器 a款-60psi
ashcroft雅斯科压力开关b720b 60psi
4mpa 60psi 带固定支架背后螺纹m10*1牙
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