Solid hard pitch is transported in bulk by trucks or by train.
经过固态成型后，以汽车或火车散装运输。
The main production of solid, bulk, blended three series, more than a hundred varieties.
主要生产固体、膨体、混纺三大系列，上百个品种。
The main production of solid, bulk, blended three series, more than a hundred varieties.
主要生产固体、膨体、混纺三大系列，上百个品种。
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