The urethra dilatation catheter comprises an epitheca and a hole closing device arranged in the epitheca.

所述尿道扩张导管包括设置在所述扩张导管内的上皮和闭孔装置。

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The rudder device keyway to hole keyway , Hole of the conical hole, Not run through the holes, Moreover structure of two key connection , Large size , High precision machining.

舵装置的键槽是内孔键槽，孔为锥孔、盲孔，而且采用双键联接结构，尺寸大，加工精度较高。

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A drill jig is a device for ensuring that a hole to be drilled, tapped, or reamed in a workpiece will be machined in the proper place.

钻模是一种确保在工件正确位置进行钻孔、攻丝或铰孔加工的装置。

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This is a game where you get a little plastic device, it's got 15 plastic numbers on it and one hole in this little plastic board and you can move those numbers up, down, left to right, and the goal is to take what's a random assortment of tiles and arrange them in numeric order and that's one of these little things you can play sort of absentmindedly.

在这个游戏中，你会拿到一个可塑的装置，上面有15个数字和一个孔,你可以将数字上下移动，左右移动，目标就是,拿到一个随机的组合后,将其按数字顺序排列,这个你可以随便玩玩。

哈佛公开课 - 计算机科学课程节选

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

When the explorer drills the ice to make a physical measurement of thickness, he will use the hole to lower a 4kg conductivity-temperature device (CTD) into the ocean below.

BBC: Arctic team targets key ice data

That feature, designed to allow users to remotely access their video files via remote PC or phone, effectively cuts a hole in any firewall that would expose the device to attackers, too.

FORBES: More Than A Dozen Brands Of Security Camera Systems Vulnerable To Hacker Hijacking