求翻译：上面说的是一些弹簧在生活中的运用，弹簧可以说是一个机关设置的重要无件，在很早以前人们的戏法，今天我们说的魔术，口吞长剑，如今的电视上用的小刀，都是在里面装了，使刀可以在刺入时不伤到人，离开人体时又可以看到完整的刀。还有我们家家户户用的锁具，里面也是一个弹簧，主使着机关的摆设。是什么意思？

Said above, the use of some springs in life, the spring can be said to be an authority set no items, magic tricks in a long time ago people, today we are talking about, mouth to swallow swords, knife on the TV today are installed on the inside, so that the knife piercing does not hurt people, to lea

The above was referring to some springs in the use of life in spring can be considered as a set of important organs, no part of it in a long time ago, and today we say trick of magic, sword swallowing, and now with the TV on, the knife is in there, so that the knife can be thorns in the time, not to

Above said is some spring in life utilization, the spring may say is an institution establishes does not have importantly, in the very early before people's trick, the magic which we said today, the mouth swallows the long sword, the knife which on the present television uses, all has installed in i

Above said of is some spring in life in the of using, spring can said is a organ set of important no pieces, in long ago people of trick, today we said of magic, mouth swallowed sword, now of TV Shang with of knife, are is in inside loaded has, makes knife can in thorn when does not injury to people