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penetration test | |||
penetrating examination | |||
penetrant inspection; penetrant test |
渗 透 检验 : 16 phrases in 8 subjects |
Electric machinery | 1 |
Electronics | 1 |
General | 1 |
Metallurgy | 7 |
Nuclear and fusion power | 1 |
Oil / petroleum | 2 |
Space | 2 |
Technology | 1 |