手磨和压蒜器真是两件了不起的发明！
Two wonderful inventions, the food mill and the garlic press.
离合器压盘是汽车的主要零件。
限压型零件，反应速度快；
筒形件强力旋压中各工艺参数在生产中常用试旋的方法确定。
The process parameters were usually determined in production by trial and error method.
筒形件强力旋压中各工艺参数在生产中常用试旋的方法确定。
The process parameters were usually determined in production by trial and error method.
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