Permission system comprises four main parts: user part, object part, operation part and task.
系统分为四部分：主体部分、客体部分、操作部分和任务部分。
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。
The scene operation part of the text platform contains the operation board, the outer covering, the measuring instrument as well as the jig part.
本试台现场操作部分由操作面板、外壳、测试仪器以及夹具部分组成。
The scene operation part of the text platform contains the operation board, the outer covering, the measuring instrument as well as the jig part.
本试台现场操作部分由操作面板、外壳、测试仪器以及夹具部分组成。
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