一个常见的问题是由孔的边缘不整齐或者纸带不干净所引起的。
A typital problem is caused by the ragged edges of the holes, or by dirt on the tape.
这样明显不干净的地方你还要去吃，还把问题算到我们学校头上。
So obviously you do not have a clean place to eat, we also question the school head count.
我自从青少年以来，就一直是属于问题肌肤。我的皮肤非常的敏感，并且对于不干净的杂质很容易就有过敏的反应。
I had always a problematic skin since my teenage years. It is very sensitive, reacts quickly with allergic reactions with impurities.
而且磨铣、处理井眼不干净问题、射孔以及挤水泥作业综合在一起，往往降低了作业成功的几率。
The compound complexity of milling, debris handling, perforating and squeezing cement can, and often do, reduce the chance of success.
该机解决了现有技术中禾渣排出不顺畅，颗粒和禾渣分离不干净，以及动力输入单一的问题。
The machine solves the problem that the grain dreg discharge is not smooth, the separation of grains and grain dregs is unclean, and the power input is sole in the prior art.
它来自茉特尔，因为她凑巧听见了问题，而她讲的话是义粗暴又不干净的。
It came from Myrtle, who had overheard the question, and it was violent and obscene.
它来自茉特尔，因为她凑巧听见了问题，而她讲的话是义粗暴又不干净的。
It came from Myrtle, who had overheard the question, and it was violent and obscene.
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