如果由于活门垫、活门损坏或由于其它原因，导致出口压力自行上升并超过一定许可值时，安全阀会自动打开排气。

If, as a living doormat, valve damage, or due to other reasons, led to pressure to increase exports and to permit more than a certain value, the safety valve will automatically open the exhaust.

youdao

如果由于活门垫、活门损坏或由于其它原因，导致出口压力自行上升并超过一定许可值时，安全阀会自动打开排气。

If, as a living doormat, valve damage, or due to other reasons, led to pressure to increase exports and to permit more than a certain value, the safety valve will automatically open the exhaust.

youdao