其实，就产品而言，设计制造d VR是具有很大难度的。
Actually, speaking of the product, the design makes DVR to have the very great difficulty.
这势必增加汽车的制造成本、维护难度，并给汽车内数据传输带来不稳定的因素。
This certainly will increase the cost and difficulty to manufacture and maintenance of automobile.
制造各种高难度保温发热线组件。
Makes each kind of high difficulty heat preservation to send the hot line module.
制造各种高难度保温发热线组件。
Makes each kind of high difficulty heat preservation to send the hot line module.
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