现在,我们这里有千余台小四轮拖拉机已经改装了气、油刹车,对安全生产十分有利。但令人发愁的是气、油刹车配件难以买到,往往因为一个价值块八毛钱的小零件损坏,造成整个刹车系统不起作用。这些小零件有:油封、挡片、垫片、进排气阀片及弹簧、传动皮带、活塞环等易损件。这些零星小件看上去不起眼。用时离不了,想买买不到。成套的元件又无备用件,损坏了配不上,只好跑上几百里甚至几千里到元 Now, here we have more than a thousand small four-wheeled tractors have been modified gas, oil brake, the safety of production is very favorable. But what worries you is that gas and oil brake parts are hard to buy, often resulting from the damage of a small piece worth eight cents, causing the entire braking system to not work. These small parts are: seal, baffles, gaskets, into the exhaust valve and the spring, drive belts, piston rings and other wearing parts. These sporadic small pieces look inconspicuous. Used with the time, want to buy can not buy. Complete sets of spare parts and spare parts, damage did not match, had to run hundreds of miles or even thousands of miles to dollars