然而在自主品牌占绝大多数的商用车领域，其轻量化的工作却很难付诸实践。
However in the independence brand of majority commercial vehicle industry, the lightweight work is hard to put into practice.
该集团建立初期只生产轿车，然后产品很快多样化，领域涉及商用车辆、船舶、飞机、火车、农用拖拉机及建筑机械等。
Initially the group set up production of cars, then the product will soon diversified in the fields of commercial vehicles, ships, aircraft, trains, farm tractors and construction machinery.
在商用车生产领域，除重型、中型载货汽车外，企业的生产集中度从总体来看相对较低；
On the aspect of commercial vehicle production, the producing concentration of the enterprises reveals lower in general except heavy, medium duty trucks;
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