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steam pile hammer
bridg.constr. 蒸汽打桩锤
eng.geol. 打桩汽锤; 汽桩锤; 蒸氣打樁錘
railw. 蒸汽打桩机
tech. 蒸汽桩锤; 蒸汽打桩锤.打桩汽锤
steam pile hammer
: 8 phrases in 2 subjects
Oil / petroleum1
Technology7