HINs are put in place to support the following main usage models.
HIN适于如下主要使用模型。
The main usage is that microwave is shielded when water is heated by microwave, and the product has simple technique and low cost.
主要 用途在微波加热水的时能屏蔽微波泄漏出微波谐振腔,工艺简单,成本低。
Described are the development process, main usage, technical parameters, main structure and testing of the D28 depressed center flat car.
介绍了D 28型凹底平车的研制过程、主要用途、技术参数、主要结构及试验情况等。
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