It has high wear resistance, high efficiency and no dust pollution.
具有高耐磨、高效切削、无粉尘的特点。
There shall be no harmful gas, soot, dust, radioactive substances or other diffusible sources of pollution around the enterprise.
企业周围应无有害气体、烟尘、灰尘、放射性物质及其他扩散性污染源。
Surface treatment: the surface must be clean, no water, no wax, no dust, no pollution and other fixtures.
表面处理：施工表面必须清洁，无积水、无蜡、无灰尘、无油污及其他附着物。
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