0 using a system where a cog (= a round metal part with small teeth) turns against a long bar that also has small teeth, and makes it move:
rack and pinion gears
中文繁体
採用齒輪與齒條的系統…
More中文简体
采用齿轮与齿条的系统…
MorePortuguês
de cremalheira…
MorePolski
mechanizm zębatkowy…
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