At least one arm with the flow channel is provided with the air exhaust hole which is connected with the flow channel.
在具有流道的至少一个臂中设有与至少这个流道相连的排气孔；
When the compression stroke is finished, the longitudinal pressure relief grooves are communicated with the air exhaust hole to release the high pressure.
当压缩行程完成时纵向泄压凹槽与排气孔相通，实现高压被释放的目的。
When overpressure occurs during the use of the pressure limiting valve, air in the cooker jacks up the valve core upwards through the through hole of the exhaust pipe and then is rapidly exhausted.
本实用新型在使用中出现超压时，锅内气体经排气管的穿孔向上顶开阀芯，迅 速排放。
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