In 1796 the Swiss watchmaker Antoine Favre takes out the patent on "the carillon without bells or hammers".
1796年，瑞士钟表匠安托万·法夫尔为“没有铃或锤子的组铃”申请到了专利。
His very individual approach has led him to acquire or make an ever growing number of hammers and invent new techniques.
他的独特方法是增加敲打次数、开发新技术。
Yes, believe it or not, there are different types of hammers.
是的，信不信由你，有许多不同类型的铁锤。
Some may need replacement parts such as hammers or felts.
有些部件可能需要更换，比如说榔头和呢毡。
The die hammers the diameter and causes the metal to flow inward causing the outer diameter of the tube or the rod to take the shape of the die.
锻模锤击横断面使金属向内流动导致圆管或圆棒的外径变为锻模的形状。
The water hammers due to closing valve or stopping pump in the UF system was analyzed. The corresponding preventive measures are put forward.
并引起很高的水锤压力，造成管道及膜元件损坏。分析了超滤系统出现关阀水锤及停泵水锤的成因，提出相应的防护措施。
They are applicable to the various soil texture and meet the requirements of environmental protection. They are ideal equipment that supersede steam or air hammers.
因此，液压模锻锤可以用于各种土质条件的地区，且符合环保要求，是替代蒸空模锻锤的理想设备。
They are applicable to the various soil texture and meet the requirements of environmental protection. They are ideal equipment that supersede steam or air hammers.
因此，液压模锻锤可以用于各种土质条件的地区，且符合环保要求，是替代蒸空模锻锤的理想设备。
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