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drop hammer
bridg.constr. 吊锤; 坠锤
dril. 下击锤; 打桩机
el. 打桩锤
hydroel.st. 落锤
met. 落〔吊,打桩〕 锤
oil 桩锤
tech. 自由落锤 (打桩用); 模锻锤:锻锤; 单作用锤; 单动锤; 打桩落锤; 打桩用落锤; 撞锤
drop-hammer ['drɔp'hæmə]
gen. 落锤; 吊锤; 打桩锤; 锤击机
drop hammer: 86 phrases in 16 subjects
Automobiles1
Aviation3
Bridge construction4
Business1
China1
Computer numerical control1
Engineering geology2
Explosives and Explosive Ordnance Disposal1
General1
Hydroelectric power stations3
Metallurgy15
Oil / petroleum2
Plastics2
Shipbuilding1
Sumo2
Technology46