This picture was taken after the oil change had been completed.But I really wanted to show how we loosened the drain plug with the tool.See the double-headed wrench, one open and one closed.

 
  • 这张照片是换好机油后所拍的;因为我实在很想告诉大家我是使用何种工具将洩油螺丝松开的;瞧这有双头的扳手;一头有开口;一头是圆的中间有孔的.
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