tappet rod短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 锁簧杆,锁条,锁尺,挺杆,推杆 The paper analyzes in details the wear reasons of engine tappet rod and proposes the relative measures for improvement based on the statistical data on metal troubles from our department. 本文根据我部长期对莱康明发动机金属屑故障的数据统计，详细分析了发动机挺杆座磨损的机理和多种成因，并提出了相应的改进和防范措施。 cnki