The shaft must test in bearings, may be started by a clutch or stopped with a brake.
在轴承中的轴必须经过检测，轴可以由离合器启动，或用闸来停止。
2
Original precision version, for special car. We continuously test in carpet appearance, constantly updated product, so as to no stuck clutch and brake block.
原装车精准版型，专车专用，在整形外观上不断进行试验，不断的更新改进产品，不卡离合器和刹车挡。
3
Check the clutch is thoroughly: the car ladder teams up, twist, put the clutch wrap shift test.