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1·The weight that drops in a pile driver or steam hammer.

撞键打舂机或汽棰内落下的重物。

2·The most wonderful piece of machinery on show was Nasmyth's steam hammer.

其中最奇妙的是内史密斯的蒸汽锤。

3·Steam hammer is an important equipment of machinery industry, the head is one of the main parts.

汽锤是机械行业广泛使用的重要设备，锤头是其主要的部件之一。

4·And telephone, electric light, steam hammer and other inventions started to appear on exhibitions.

电话、电灯、蒸汽锤等新发明，都是最先在展会上与世人见面。

5·There was also a great deal of machinery on display. The most wonderful piece of machinery on show was nasmyth steam hammer.

还展出了许多机器，其中最妙的一台机器是那什米斯的蒸汽锤。

6·The principles can be applied either in the calculation of water hammer in liquid or in the calculation of steam hammer in compressible fluid.

既适用于液体介质的水锤计算，也适用于可压汽体的汽锤计算。

7·This scrap mostly expatiate on mian technical parameters for the steam hammer refit to a electro_hydraulic hammer, and refer its benefits on save energy.

介绍了蒸气锤改造成电液锤的主要技术参数及改造后电液锤的节能效果。

8·To overcome the shortcomings of steam driven hammer, such as energy wasting and serious vibration, the new type program controlled hydraulic hammers are developed.

针对蒸—空模锻锤存在的浪费能源、振动噪音大等缺点，开发了用于蒸—空模锻锤更新换代的新型程控液压模锻锤。

9·The author described philosophy, causes and precautions for water hammer appearance in steam piping, drum, feedwater piping, economizer, drum draining tube, sub-steam cylinder etc.

叙述了蒸汽管道、锅筒、给水管道、省煤器。锅筒放水管、分汽缸等发生水冲击的基本原理，产生原因和预防措施。

10·The contents of the paper include:the comparison of the electrohydraulic hammer and the steam—air hammer;

其中包括：电液锤与蒸汽-空气锤工作状况的比较；