.1. The undercut area where interfere with slide block need to be filledmaterial to help the slide can move smoothly.（和滑块干涉的倒勾请加料填平至滑块可以顺利滑动）2. The thickening added too thick.(加肉太多 )3. The thickening area is too wide.（加肉面积太大）4. Gate position is moved.(GATE位置移位 )5. The split line of slide block or the area of slide.(滑块拆的位置 )6. This area is hard to be filled due to the sharp feature(此处有尖角，填充困难)7. The strength of this area is too weak and isnoldt de
