Disclosed is a cover member for the operation part of a closing valve or the opening part of a branch joint of a refrigeratingapparatus.
本发明涉及一种冷冻装置的闭锁阀的操作部或分支管的开口部所用的盖部件。
2
This paper presents relevant standards of pressure vessel in refrigeratingapparatus, and puts forward some experience in the course of installation, usage and management of pressure vessel.
本文介绍了我国有关制冷装置压力容器的相关标准，以及做好压力容器安装和使用管理工作的体会。
3
A cooling apparatus for articles operated at low temperatures comprises a refrigerating machine and a cold head provided in the refrigerating machine.