Body has handhole (or manhole) for easy wash and examination, And bottle valve set up inlet/outlet valve,safety valve, pressure gauge and pressure gauge valve, drain valve etc.
英
美
释义
筒体上设有手孔(或人孔),以便清理、检修。瓶头阀上设有进气阀、出气阀,安全阀、压力表和压力表阀、泄放阀等。
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