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expertise; sabe | |||
know how | |||
technical. know-how; special skill | |||
technical know-how | |||
expert skill | |||
know-how (技术) | |||
know-how; professional skill | |||
technical skill | |||
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know-how | |||
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technical skill | |||
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know how | |||
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know-how |
专门技能: 3 phrases in 3 subjects |
Drilling | 1 |
General | 1 |
Metallurgy | 1 |