3473
内容介绍
适用于数控新手入门者，和数控行业从业者。
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158 03:16
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97 02:26
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83 02:05
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76 02:46
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69 02:29
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70 02:33
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64 01:46
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62 02:33
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57 02:33
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59 02:57
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59 01:40
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58 02:53
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53 02:39
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54 02:36
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49 02:11
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50 02:16
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48 01:45
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49 01:59
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45 01:59
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44 02:41
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