European peasants would insert a wooden drill in a round hole and rotate it briskly between their palms.

欧洲的农夫将一个木钻子放入一个圆孔并用手掌不停旋转它。

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Insert Supply Hose into mounting hole.

进水软管装入安装孔。

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The key to solve the problem lies in the optimal design of clearances between the insert rotary shaft and its bearing as well as the round insert fitted hole.

解决刀片回转不均匀问题的关键在于优化设计刀片回转轴与轴承、刀片内孔之间的配合间隙。

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Lotem said that during the heart catheterization procedure doctors would use a thin plastic tube to insert an "umbrella-like" device that will seal the hole between the two upper chambers of the heart.

CNN: Sharon heart operation set for Thursday