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Kev sib raug zoo ntawm dov nrawm thiab thev taus?

2025-03-13

Thaum 1200m / min rau 1.2mm tooj liab sawb, Grm-180 tau saib ± 0.004mm kam. Kev ceev thiab yob gap dynamically zoo ntawm kev tswj-lub voj tswj.
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