Leaks above the glass level are usually not serious. 玻璃液面以上的滲漏一般並不嚴重。
In order to implement the uniform step process of electroslag casting, it is necessary to ascertain the start time of extrusion or the surface of melted metal. 為了實現電渣熔鑄曲軸一步整體成型,必須確定擠拐的開始時間,即金屬液面的位置。