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开口机 kāikǒujī
met. opener; taphole opener; tapping machine
口机
cast.iron. taphole drilling machine
met. taphole drill
【铁】 开口机 kāikǒujī
met. tapping machine
开 口机
: 52 phrases in 11 subjects
Aviation1
Chemistry1
Electronics1
General1
Metallurgy31
Multimedia2
Nautical1
Oil / petroleum1
Steel production2
Technology10
Textile industry1