The benefits of the mining boom have peaked and the federal government must abandon its commitment to a budget surplus by 2012/13, a new study says.The boom is no longer boosting growth in the china's economy nor contributing to additional improved welfare for chinese citizens.The positive effects of the boom have become more muted, while the negative effects are becoming more pronounced.The economists say the high exchange rate has left local industries such as cone crusher manufacturing, tourism and education vulnerable, threatening jobs and slowing the economy.
4.After the double roller crusher is operated for a long time, due to the large wear of the roller surface, the particle size of the product will be too fine.At this time, it is necessary to pay attention to adjusting the discharge port or repairing the equipment.
This crusher is play an important role in different industries, such as construction industry, chemical industry and metallurgical industry.It can be used to crush both hard and medium hard materials, such as limestone, iron ores and copper ores.When it comes to its production cavity, it is based on the types of the materials.
We can make different crusher according to the requirement of client, the wood crusher is suitable for crush all kinds of wood materials, for example wood block, wood chips, wood branch, all kinds of straws and grains, such as corn, wheat, with different hammer, according to different raw material, you can choose different wood crusher.
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