CHUCK: ma 'am, I work as a roof repairman.
查克:夫人,我是一名屋顶修理工。
Chuck: I had the idea. I did the work.
我有想法,我肯努力去做。
After plain lathe completes its work holder, if the chuck wrench isn't drawn out because of various reasons, personal or equipment accidents will happen.
普通车床卡盘扳手完成工件装夹后,有可能未取出扳手就启动电源,容易造成生产安全事故。
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