_ flat top mesh __ or _ _ _ light the better _

October 20, 2018

In the automotive repair industry, advances in machining technology for the inner surface of engine cylinder bores have undergone a development process. Ten years ago, the technicians of most auto repair shops in China might tell the customer: "The brighter the cylinder hole is, the engine is very good!" Even using this test method: put a newspaper in the cylinder hole If light