The wear of piercing punch is one of main die lose efficacy.

冲孔凸模磨损是模具失效的主要形式之一。

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Belly rings are one, if not the most popular form of piercing.

腹部有一环，如果不是，穿透最流行的形式。

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The production process and its features of piercing plug by precision hot-die-forging are detailed.

本文介绍了精密热模锻穿孔顶头的生产工艺及工艺特点。

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There is Lamb, desperately anxious about his sister Mary, whose spells of piercing madness disrupt their gentle life together.

ECONOMIST: Literary table-talk

He prepares us to accept the moments of piercing, almost miraculous clarity that arise, as if by accident, at the end of his best films.

NEWYORKER: Life Is Sweet

Nevertheless, during the Gulf war in 1991 the American air force found that its 2, 000lb (about a tonne) bunker-busters were incapable of piercing some Iraqi bunkers.

ECONOMIST: Bunker-busting