... 变速齿轮轴套 change gear shaft sleeve 三段变速齿轮 three speed gear 可互换变速齿轮 loose change gear ...
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three-speed gear 三速链轮 ; [机] 三速齿轮 ; 三档齿轮
three-speed gear box 三速齿轮箱
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Using high speed cold upsetting-extruding technology can improve quality of three-pin gear, reduce mechanical process and decrease the production costs.
采用了高速冷镦挤成形工艺，可提高三销齿轮的质量、减少机械加工及降低产品成本。
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The three-gear speed regulation, Meet the needs of different environments;
三档位调速，满足不同的环境需求；
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