发动机燃油喷油正时
engine fuel injection timing
喷油泵正时
injection pump timing
fuel injection pump timing
喷油泵正时标记
fuel injection pump timing mark
喷油泵正时标记检查
fuel injection pump timing mark check
喷油泵正时标记位置
fuel injection pump timing mark location
喷油泵正时尺度
fuel injection pump timing dimension
喷油泵正时调整步骤
fuel injection pump timing procedure
喷油泵正时调整工具组
fuel injection pump timing tool group
喷油泵正时范围
injection pump timing dimension
动态喷油正时试验
dynamic injection timing test
机械调节的燃油喷油泵
mechanical governed fuel injection pump
静态喷油正时调整
static injection timing adjustment
喷油泵泵壳
fuel injection pump bonnet
喷油泵表盘式指示器读数
fuel injection pump dial indicator reading
喷油泵油缸数目
number of cylinders of an injection pump