| 摘要 |
The gas pressure regulator ( 1 ) comprises a main body ( 2 ) having a first, gas inlet pipe ( 4 ) and a second, gas outlet pipe ( 6 ), a calibrated gas passage ( 8 ) through which the gas flows from the first pipe ( 4 ) to the second pipe ( 6 ), a shutter ( 9 ) housed at least partially in the main body ( 2 ) and a silencing element ( 102 ) also housed in the body ( 2 ).
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