A.活塞销响
B.活塞敲缸
C.连杆轴承响
D.气门杆响

A.曲轴弯曲、变形
B.连杆弯曲、变形
C.缸壁与活塞间隙过大或缸壁润滑不良
D.活塞环断裂

A．活塞头部与缸壁敲击
B．活塞裙部与缸壁敲击
C．活塞环与缸壁敲击
D．活塞与缸壁敲击

A.2000
B.2300
C.2550
D.2800

A.1000
B.1300
C.1500
D.1800

A.10000
B.13000
C.15000
D.18000

A.1000
B.1800
C.2200
D.2400

A.0.5m-1
B.1.0m-1
C.2.0m-1
D.2.5m-1

A.0.5%
B.0.8%
C.1.0%
D.1.2%

A.0.5%
B.0.8%
C.1.0%
D.1.2%

A.100
B.170
C.210
D.350