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| surface preparation | |||
| surface precondition (【技】为对工件进行表面防护处理提供适当的金属表面状态而事先进行的表面处理。分化学表面处理和机械表面处理两种。) | |||
| surface pretreatment | |||
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表面预 处理 : 3 phrases in 3 subjects |
| Automobiles | 1 |
| Plastics | 1 |
| Technology | 1 |
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