steam-hammerˈstiːmˈhæməBNC²³⁶²¹³⁺¹ 基本例句 n.汽锤 With the development of science and technology, the prefabricated pile driving machines evolve from block hammer, steam-hammer, diesel hammer to hydraulic hammer. 随着科学技术的进步,预制桩施工机械由落锤、汽锤、柴油锤,发展到了液压打桩锤。 cnki