| 摘要 |
The pressure regulator comprises a case with an air inlet port(3), an air outlet port(4) and a core inserting hole(2) at the center; upper and bottom cores(13,18) for regulating the amount of air discharged from the bottom core through a flowing path to connect a plurality of air holes to the other air hole, the upper and bottom core being inserted into the case; and a cover(19) for fixing the upper and bottom core in the case.
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