There is Burst disk pressure in the gauge, blow out hole in the back to relief the presure inside caused by failure of elastic element.
背部，设有泄压后盖及泄压孔，以释放因过载弹性元件破裂而产生的内部压力，增强了人员及设施的安全性。
If the elastic element of pressure gauge, once the oil enters the oxygen required by four grasp carbon cleaning repeatedly until there is no grease.
假如一旦油进入耐震压力表的弹性元件中，必需用四抓化碳反复清洗直到没有油脂时为止。
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