可变宽度铺路机样板结构组件
vip screed structural group
可变宽度铺路机样板磨损部件
vip screed wear component
可变宽度铺路机样板燃烧炉总成
vip screed burner assembly
可变宽度铺路机样板延伸油缸
vip screed extension cylinder
样板延长高度调节曲柄
screed extension height adjustment crank
汽车发动机曲轴轴承
crankshaft bearing of the automobile engine
曲轴轴承轴颈配合面
crankshaft bearing journal surface
可调节变量产品族
scale-based product family