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kong lv yu la gang
Author(s): 
Pages: 67
Year: Issue:  7
Journal: Road Traffic Management

Abstract: <正>“一经”指一场经历,“一验”即一次体验。总结体验变经验,大家献策保平安。2007年春运客运高峰到来之际,河北省沧运集团某公司购进的一辆新客车刚跑不到10天就大修了发动机,花去近万元。原因是空气滤清器的滤芯丢失,发动机吸进未经过滤
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