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| 手工取样取样，采样 | |||
| 手工取样; 人工采样 | |||
| 人工取样; 手工釆样 | |||
| 人工抽样; 人工采试样手工取样; 手工采样 | |||
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hand sampling : 2 phrases in 2 subjects |
| Business | 1 |
| Management | 1 |
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