马大哈经办了个“柴油机公司”。前几年“公司”经营非常红火,不知为什么,近来的效益却每况愈下,工作运转相当不协调。他经过深入调查、分析论证,然后找出了答案,原来是缸套、活塞、活塞环和气门、气门座圈、气门导管这一班“员工”年老体弱,工作配合欠佳所致。于是马大哈决定更换一批新“员工”。在“退休员工”欢送会上,作为老板的马大哈对 Mahaha handled a “Diesel Engine ”. A few years ago “company ” business is booming, I do not know why, the recent benefits have deteriorated, work quite uncoordinated. After in-depth investigation, analysis and demonstration, and then find out the answer, turned out to be cylinder liner, piston, piston ring and valve, valve seat ring, valve catheter this class “employee ” frail, poor cooperation with the work To So Ma Dah decided to replace a number of new “staff ”. At the “retired employee” farewell party, Ma Da ha as the boss