在欧美商用车市场,空气悬架的使用率已经很高,高级大客车几乎全部使用空气悬架,重型载货车使用空气悬架的比例也已超过80%。反观国内,近几年空气悬架在客车市场发展相对较快,但比例也仅达到20%,而中重型载货车市场则几乎还是空白(见表1)。关于空 In Europe and the United States commercial vehicle market, the use of air suspension has been very high, almost all of the high-level buses using air suspension, heavy-duty trucks using air suspension ratio has also exceeded 80%. In contrast, domestic air suspension in recent years the development of the passenger car market is relatively fast, but only reached 20%, while the medium and heavy truck market is almost blank (see Table 1). About empty