蠕虫减少器
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带变速箱的12伏电机
蠕虫减少器
China 4632-370 DC 12V 3RPM 5RPM 100RPM Micro Worm Speed Gear Motor Reduction Gear Motors With Metal Gearbox Wheel DIY Kits worm gearbox design
2023-06-14
3 年 ago