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弧坑 húkēng
compr. arc craters
met. arc crater
tech. arc crater (焊接时); crater
weld. crater
熔焊弧坑 húkēng
auto. crater
弧坑电弧焊焊缝终端形成的凹坑 húkēng
tech. crater
弧坑: 18 phrases in 5 subjects
Electric machinery1
Metallurgy6
Nautical2
Shipbuilding1
Technology8