rú guǒ / jiàn cáo / jiā gōng / de / tài / kuān / chǐ lún / yùn zhuǎn / shí / jiù / róng yì / chǎn shēng / sōng dòng

如果键槽加工得太宽，齿轮运转时就容易产生松动。

If the keyway is machined too wide, the gear is likely to become loose during operation.