3472| 4
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字碼回零機(jī)構(gòu)是怎樣的,? |
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點(diǎn)評(píng)
歸零很簡(jiǎn)單,把棘輪爪子一松開(kāi),,盤(pán)簧自然轉(zhuǎn)為零
評(píng)分
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