rú guǒ / jī zhóu / ān zhuāng / de / bù zhèng / jī qì / yùn zhuǎn / shí / jiù huì / chū xiàn / míng xiǎn / de / zhèn dòng如果机轴安装得不正,机器运转时就会出现明显的震动。If the shaft is installed incorrectly, the machine will vibrate noticeably during operation.