bolt and nut

基本解释

Make sure check the bolt and nut before testing run. and if they become less crowded, fastening again.
试车前务必检查所有螺栓、螺母是否有松动，若有松动的螺栓、螺母必须重新紧固。
I do not want to collaborate with all the people in the company, I do not want to collaborate with people who do not understand what is the difference between bolt and nut, and I will not !
我不需要跟全公司的所有人协作，我不想也不会跟那些不知道螺帽和螺栓有何区别的人协作！
Therefore, we should regularly inspect the bolt and nut fastening and implemented in order to reduce unnecessary costs.
因此，应定期对螺栓和螺母进行检查并实施紧固，以减少不必要的费用。
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