单尖松土铲
I told her we sold out every single shovel we had, and then I found one more in the back room, and that several people were fighting over who would get it.
我跟她说,我们把所有的铁锹都卖完了,可后来我又在后室找到了一把,于是一些人抢着要买这把铁锹。
Application of complex method in optimization in shovel mechanism of single bucket hydraulic excavator
复合形法在液压挖掘机铲斗连杆机构优化设计中的应用
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