After a moment, however, Snowball and Napoleon butted the door open with their shoulders and the animals entered in single file, walking with the utmost care for fear of disturbing anything.
但过了一会，斯诺鲍和拿破仑用肩撞开门，动物们排成一列走了进来，他们小心翼翼地走着，生怕打扰了任何东西。
As the single bodies are butted up and down, the height of the invention can be changed and an ablation and shortened electrode bar is used.
由于单体上下对接，高度可变，可以利用烧蚀变短的电极棒。
As the single bodies are butted up and down, the height of the invention can be changed and an ablation and shortened electrode bar is used.
由于单体上下对接，高度可变，可以利用烧蚀变短的电极棒。
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