By slightly touching the outside of the mould whilst the mill is turning I know 'exactly' the position of the mill.
由轻微触摸以外的模具，虽然轧机是转折，我知道'，正是'的立场轧机。
I do this because my reference is the outside of the mould.
我这是因为我参考的是外面的模具。
I do this because my reference is the outside of the mould.
我这是因为我参考的是外面的模具。
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