本文简述了无缝钢管冷拔前头部加热炉的改造。

The article denotes the modification on the heating furnace prior to pointing on seamless steel pipe end for cold drawing.

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So, I'll try not to do that Result to another complex thing If you're in the front roll, or second roll or third roll It's possible that some part of your head, your back or even your face might end up on the film.

所以我会很注意,另一件事情就是,如果你们坐在第一排,或者前几排,那么你们的头部,背部甚至脸部,都可能被镜头扑捉到

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