The base casting is a similar to a flat plate type casting, and the whole flat plate is thin and different, at the same time there are many convex tables and reinforcements on the flat plate, so the geometric hot sections are relatively many and dispersed. The base casting is a similar to a flat plate type casting, and the whole flat plate is thin and different, at the same time there are many convex tables and reinforcements on the flat plate, so Parameters ye kek looi aye: