pin hole

基本解释

Pin hole bolt ruptures under its service.
銷孔螺栓在服役期限內發生斷裂。
The third step, the cable soldered to the pin hole soldering.
第三步，把電纜銲接到針銲接孔上。
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The NC boring lathe equipped with this kind of deformable arm can bore special shaped pin hole for piston efficiently, and meanwhile meet the demand of micro meter accuracy.
裝有這種新型變形鏜杆的NC鏜牀能高傚地鏜削活塞異形銷孔，竝達到微米精度的要求。

But any tax would likely put a pin hole in this balloon, if one can call it that.
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The detail in a photograph taken by a pocket-sized digital camera is roughly in focus from a few feet away to almost infinity—just like a pin-hole camera children make in school.
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