大家好,這是整理的部分球磨機圖紙,其中只有4張是最有用的,基本能看的出來,其餘3張作用不大,只能參考,你能識別出來嘛,考考你的知識,哈哈。。。。
My friends,the hardcopies shown above were sorted out from scruffy piles ,which of them are four are useful ,and seen is precious ,we can reconise the outline profile sketch of old ancient electical symbol,another papers are not magnificient significant ,just for reference .can you discern seperate the useful papers from all ,it will test exam your eyesight now,wish you can do it.
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