Added melt compensates for the first part, but the contraction during cooling in the solid state must be compensated by oversized dimensions.
Added melt compensates for the first part, but the contraction during cooling in the solid state must be compensated by oversized dimensions.
第一次增加熔化金属补偿，但是固态冷却过程中的补偿就要靠加大尺寸。