The practice of opening up a plant, office or other operation in a foreign country and closing or not opening one domestically.
在外国开办工厂、办公室或者其他操作或在国内关闭或不在国内开上述机构的业务。
Disclosed is a cover member for the operation part of a closing valve or the opening part of a branch joint of a refrigerating apparatus.
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。
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