由于神东矿区煤层的特殊性，在使用艾柯夫公司SL500型采煤机时，摇臂座出现了裂缝。

Due to the coal seam particularity in Shendong Coal Mine, cracks appear at the radial seat of Eickoff SL500 shearer.

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她的许多早期绘画是影印或者使用部分柯里尔和艾夫斯石版按照她自己的方式重新组成。

Many of her early paintings are copies of, or use sections from, prints by Currier and Ives that she then recomposed in her own way.

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