The drill string of ERW is taken as research object, the dynamic problem is brought forward during making hole, and the mechanics model about each dynamic action is established.

以大位移井钻柱的部分或整体为研究对象，提出了钻井各种动态问题，建立了钻柱的各种动态行为的力学模型。

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Therefore, this thesis did thorough researches in allusion to the problems of making hole processing technology in the composite armor and optimizing craft parameters when it was in mass production.

因此，论文主要研究面向批量生产时复合装甲制孔加工工艺和工艺参数优化问题。

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Peter shouted for help because he knew the hole meant that the sea was making its way through the sea wall, but no answer came.

彼得知道这个洞意味着海水正在穿过海堤，所以他大声呼救，但没人应答。

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you make a little hole, and go in with an instrument instead of making an incision.

医生会先打开一个小孔，将仪器伸进去。而不是像以前一样做一个切口。

MIT用数字说话 - SpeakingMax英语口语达人

First, we have already taken action to avoid making the hole any deeper.

WHITEHOUSE: Share This Post

John Major was saying last week, everybody who cares about the future of the Conservative Party says the same thing, that the Conservative Party has got to stop digging and making the hole even deeper.

BBC: Breakfast with Frost

He recently used an ax to cut through the ice in the pond next to the sauna, making a hole so that "saunalised" competitors could jump into the icy water after their time in the hot room, to win extra points.

WSJ: In Estonia, a 'Scavenger Hunt' for People Who Love Saunas