Thus it will guarantee the primary placer gold sampling and reduce the Labour intensity of workers, in order to raise the drilling efficiency.
从而能保证取出原生矿样，并降低工人的劳动强度，实现钻进的高效率。
The discharging of the main fan reduces labour intensity of operating workers.
新型磨粉机关风机出料降低了操作工人的劳动强度。
Made of PP, PVC, CPVC, PVDF, stainless steel, titanium, they are corrosion resisting and have reasonable structure, both increase yield and decrease workers' Labour intensity.
用PP,PVC,CPVC,PVDF，不锈钢，钛制作，耐腐蚀。结构合理，既可增加产量，又减轻工人劳动强度。
Made of PP, PVC, CPVC, PVDF, stainless steel, titanium, they are corrosion resisting and have reasonable structure, both increase yield and decrease workers' Labour intensity.
用PP,PVC,CPVC,PVDF，不锈钢，钛制作，耐腐蚀。结构合理，既可增加产量，又减轻工人劳动强度。
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