세라믹 샌드가 배기 매니폴드 주조 품질을 향상시키는 방법
How ceramic sand to improve exhaust manifold casting quality The exhaust manifold is an automobile accessory connecting the engine cylinder and the main exhaust pipe. The exhaust gas generated by the engine fuel in each cylinder enters the exhaust manifold through the diversion of the exhaust manifold. It can avoid the interference between the exhaust …