Sometimes you feel that it's enveloping you too tightly it's smothering you and you want to Pierce it with a pin no matter what... Even if a tiny hole opens! At least you could breathe a bit then.
有时候你会觉得它把你封闭得太厉害了，让你几乎喘不上气来，你会不顾一切地想用针把它刺破，哪怕是扎出一个小孔，至少让你透一口气。
A loaded pin bears on a hole with small clearance.
一个受载销钉支承于一个具有微小间隙的孔上。
The technology for boring-reaming the bolt hole of pin connecting original main shaft with new runner of turbine in site of Danjiangkou hydropower plant and its effect are described.
介绍了丹江口电厂在机组改造增容中新转轮与原大轴连接销钉螺栓孔工地同镗铰所采用的方法及达到的效果。
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