vt.降低压力；减压

And the higher the depressurizing rate is,the higher the gas production rate i... 降压速度越慢,当压力降到相同水平时累积产气量百分比越大,特别在降压初期这一现象更明显。

All pressure instruments shall have a vent valve to provide the capability of depressurizing the sensing line after the block valve is closed. 所有压力仪表应配备一个排气阀，以便在截止阀关闭后能够使导压管泄压。

The former scheme controls the corresponding valve by fixed pressurizing and depressurizing time and the latter by settled flux cumulation volume. 前者通过设定合理的增压及泄压时间来控制相应电磁阀开闭,后者通过仪表设定合理的流量累积体积来控制相应电磁阀开闭。

The former afterheat utilizing system generates electricity by burning oil to super-heat saturated steam and drive the steam turbine or depressurizing throu gh a decompressor. 金隆铜业有限公司原余热利用系统采用燃油在过热炉中将饱和蒸汽过热后,再由多级汽轮机发电,或者采用减压阀减压。