Our factory is specialized in producing various specifications of the medical stethoscope and percussion hammer enterprises.
本厂是专业生产各种规格的医用听诊器和叩诊锤的企业。
Wood can also be used percussion hammer approach, combined with positive and reverse pump to dredge;
也可用木锤敲击的方法，结合正、反转泵，使之疏通；
The DTH percussion-compact drilling is a high efficiency technology drilling in soil strata, which use the impact force produced by hammer piston to crush and compact soil.
潜孔锤冲击挤密钻进技术集冲击钻进、振动钻进及空气钻进的优点于一体，钻进效率高，成孔质量好，在土质地层钻进工程中有着广阔的应用前景。
The DTH percussion-compact drilling is a high efficiency technology drilling in soil strata, which use the impact force produced by hammer piston to crush and compact soil.
潜孔锤冲击挤密钻进技术集冲击钻进、振动钻进及空气钻进的优点于一体，钻进效率高，成孔质量好，在土质地层钻进工程中有着广阔的应用前景。
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