从产品设计开发的角度对DC系列变速箱适应重型汽车市场的特点做一分析。
This paper analyzes DC series gearbox suitable for heavy duty automobile market's feature from products design and development.
研究了直流电封闭加载技术的实现，设计QR 512系列手动变速箱交检加载试验台。
Investigates the realization of DC electrical-closed loading technology and designs the QR512 MT gearbox test bench.
中重型汽车变速箱箱体，离合器壳体，上盖，发动机缸体等四大系列产品。主要为一、二汽提供配套服务。
China heavy-duty automobile gearbox body, clutch shell, gearbox top cover, automobile engine organism, etc four. Offer service for one the second automobile Factory.
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