Containers used for transporting liquid nitrogen at less than 25 psig (40 psia) pressure are UN/DOT authorized containers.
运输压力小25psig(40psia)的液态氮的容器是UN/DOT认可的容器。
Containers used for transporting liquid nitrogen at less than 25 psig (40 psia) pressure are UN/DOT authorized containers.
运输压力小25psig(40psia)的液态氮的容器是UN/DOT认可的容器。
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