psia

treatment of pressure sore and nursing of urocle- psia;

压疮的治疗和尿失禁护理；

Containers used for transporting liquid nitrogen at less than 25 psig (40 psia) pressure are UN/DOT authorized containers.

用于运输压力小于25psig(40psia)的液态氮的容器是UN/DOT可的容器。