MendingaPuncture

Theotherdayfoundthefronttyreofmybicyclewasflat.Therewasapunctureinthetyre.Ialwaysinsistondoingeverythingonmyown,soIdecidedtorepairthepuncturebymyself.

First,Igotmybicyclepuncture-repairkit,andfoundwhatIwanted:atubeofglue,somechalkandsomerubberpatches.Inaddition,Igotabucketfullofwater.Second,Itookthewheeloffthebicycle,leveledoffthetyreandtookouttheinnertube.Thlrd,Ipartlypumpeduptheinnertubeandthensubmergedit,sectionbysection,inthewatertoseewherethepuncturewas.Whenastreamofbubbleswererising,Iknewwherethepuncturewas.Fourth,Idriedandcleanedthesurfaceoftheinnertube.Thenmarkedtheholewiththechalk,appliedsomegluetothesurfaceoftheinnertubeandtooneoftherubberpatches,andpressedtherubberpatchfirmlyoverthehole.Finally,Ipushedtheinnertubebackinsidethetyreofthebicyclewheel,andpumpedupthetyreuntilitwashard.

Thatwasthewholerepairingprocess.

补车胎

一天我发现我的自行车前轮胎瘪了，那上面有一个小洞，我一贯坚持自己的事情自己做，因此，我决定自己来补这个孔。

首先，我拿来修补车胎的工具箱，我找到了一管胶水，一些粉笔和一圈能用来作补丁的橡皮片，此外，我又打来满满一桶水；第二步，我倒置自行车车轮，扒开外带取出内胎；第三步，我给内胎充上气，然后把它放到水里，一段一段地检查小孔的位置，当一串泡沫显出来时，我知道小孔就在那里；第四步，我擦干净内胎表面，然后用粉笔在有孔的地方作了标记；之后，我往孔的周围内胎及备用的一块胶带上涂胶，用力将胶带压在刺孔处，最后，我将内胎装好，当它牢固时给轮胎充足了气。

这就是补车带的全过程。