正时孔位置 timing hole location

泵正时孔 pump timing port

正时孔塞 timing hole plug

正时销孔 timing pin hole

静态正时销孔 static timing pin hole

正时标定孔 timing calibration hole

正时线圈孔 timing solenoid hole

正时螺栓孔 timing bolt hole

正时线圈安装孔 timing solenoid mounting hole